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Showing 1 - 74 of 74 results
96
Thames & Kosmos Crystal Garden -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Crystal Garden
$14.99 $9.97
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Kosmos Legends of Andor New Heroes Board Game -  Thames & Kosmos - Toys"R"Us
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Kosmos Legends of Andor New Heroes Board Game
$19.99
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Kosmos Legends of Andor The Star Shield Board Game -  Thames & Kosmos - Toys"R"Us
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Kosmos Legends of Andor The Star Shield Board Game
$19.99
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Glow Stick Lab -  Thames & Kosmos - Toys"R"Us
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Glow Stick Lab
$19.99
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Giant Mars Volcano -  Thames & Kosmos - Toys"R"Us
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Giant Mars Volcano
$19.99
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Thames & Kosmos Physics Simple Machines -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Physics Simple Machines
$19.99
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Thames & Kosmos Color-Changing Crystals -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Color-Changing Crystals
$19.99
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Thames & Kosmos Global Water Quality -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Global Water Quality
$19.99
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Thames & Kosmos CHEM C100 Test Lab -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos CHEM C100 Test Lab
$19.99
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Thames & Kosmos Physics: Force & Pressure -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Physics: Force & Pressure
$19.99
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Thames & Kosmos Little Labs Physics And Forces -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Little Labs Physics And Forces
$19.99
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Thames & Kosmos Little Labs Stars And Planets -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Little Labs Stars And Planets
$19.99
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Thames & Kosmos Dinosaur Fossils -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Dinosaur Fossils
$19.99
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Thames & Kosmos Chocolate Science Lab -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Chocolate Science Lab
$19.99
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Thames & Kosmos Ultralight Airplanes -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Ultralight Airplanes
$21.99
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Thames & Kosmos Crystal Nightlight -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Crystal Nightlight
$21.99
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Thames & Kosmos Felting Bakeshop Craft Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Felting Bakeshop Craft Kit
$24.99
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Thames & Kosmos Kahuna Strategy Game -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Kahuna Strategy Game
$24.99
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Airbrush T-Shirt Makeover -  Thames & Kosmos - Toys"R"Us
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Airbrush T-Shirt Makeover
$24.99
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Thames & Kosmos Yarn-Storming Machine -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Yarn-Storming Machine
$24.99
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Flip Flop Bead Party -  Thames & Kosmos - Toys"R"Us
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Flip Flop Bead Party
$24.99
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Monster Sewing Workshop -  Thames & Kosmos - Toys"R"Us
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Monster Sewing Workshop
$24.99
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Thames & Kosmos Solar Car -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Solar Car
$24.99
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Thames & Kosmos Solar Boat -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Solar Boat
$24.99
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Thames & Kosmos Crystal Creation -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Crystal Creation
$29.99
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Thames & Kosmos Archaeology: Pyramid Dig -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Archaeology: Pyramid Dig
$29.99
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Thames & Kosmos Physics Discovery Science Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Physics Discovery Science Kit
$29.99
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Thames & Kosmos Climate And Weather -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Climate And Weather
$31.99
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Thames & Kosmos Bubble Science Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Bubble Science Kit
$34.97
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Thames & Kosmos Science or Magic? -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Science or Magic?
$34.99
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Thames & Kosmos Solar Mechanics -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Solar Mechanics
$34.99
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Thames & Kosmos Motors & Generators -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Motors & Generators
$34.99
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Thames & Kosmos Optical Science and Art Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Optical Science and Art Kit
$34.99
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Dohdles! Clay Sculpting Game -  Thames & Kosmos - Toys"R"Us
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Dohdles! Clay Sculpting Game
$39.99
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Thames & Kosmos Dangerous Book - Boys Classic Chemistry -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Dangerous Book - Boys Classic Chemistry
$39.99
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Thames & Kosmos Crystal Growing -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Crystal Growing
$39.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Candy Chemistry -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Candy Chemistry
$39.99
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Thames & Kosmos Ubongo Puzzle Game -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Ubongo Puzzle Game
$39.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Automobile Engineer Model Building Set -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Automobile Engineer Model Building Set
$44.99
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Thames & Kosmos Aircraft Engineer Science Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Aircraft Engineer Science Kit
$44.99
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Kosmos Tumult Royale Board Game -  Thames & Kosmos - Toys"R"Us
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Kosmos Tumult Royale Board Game
$49.99
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Thames & Kosmos Dimension Puzzle Game -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Dimension Puzzle Game
$49.99
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Thames & Kosmos Wind Power 2.0 -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Wind Power 2.0
$49.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Hydropower Renewable Energy Science Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Hydropower Renewable Energy Science Kit
$49.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Wind Power -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Wind Power
$49.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Crystals, Rocks & Minerals -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Crystals, Rocks & Minerals
$49.99
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Ships Free with a purchase of $19 or more!**
Remote-Control Machines: Animals -  Thames & Kosmos - Toys"R"Us
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Remote-Control Machines: Animals
$49.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Air and Water Power Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Air and Water Power Kit
$49.99
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Ships Free with a purchase of $19 or more!**
Wind Power (V3.0) -  Thames & Kosmos - Toys"R"Us
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Wind Power (V3.0)
$54.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Kids First Physics Lab -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Kids First Physics Lab
$54.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Spectacular Science -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Spectacular Science
$89.99 $59.97
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Kosmos Steam Time Board Game -  Thames & Kosmos - Toys"R"Us
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Kosmos Steam Time Board Game
$59.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Scope Constructor -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Scope Constructor
$59.99
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Ships Free with a purchase of $19 or more!**
Kosmos Legends of Andor Board Game -  Thames & Kosmos - Toys"R"Us
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Kosmos Legends of Andor Board Game
$59.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Physics Solar Workshop -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Physics Solar Workshop
$64.99
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Thames & Kosmos Eco-Battery Vehicles -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Eco-Battery Vehicles
$64.99
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Thames & Kosmos Physics Solar Workshop (V 2.0) -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Physics Solar Workshop (V 2.0)
$69.99
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Ships Free with a purchase of $19 or more!**
Thames & Kosmos Air-Stream Machines -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Air-Stream Machines
$69.99
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Thames & Kosmos Air+Water Power PLUS -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Air+Water Power PLUS
$89.99
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Thames & Kosmos Solar Power PLUS -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Solar Power PLUS
$89.99
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Thames & Kosmos Power House -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Power House
$99.99
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Thames & Kosmos Nanotechnology -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Nanotechnology
$124.99
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Thames & Kosmos Electronics Kit -  Advanced Circuits -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Electronics Kit - Advanced Circuits
$179.99
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Thames & Kosmos Fuel Cell 10: Car & Experiment Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Fuel Cell 10: Car & Experiment Kit
$179.99
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Thames & Kosmos CHEM C3000 -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos CHEM C3000
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Thames & Kosmos Glowing Chemistry Experiment Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Glowing Chemistry Experiment Kit
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Thames & Kosmos Kids First Biology Lab -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Kids First Biology Lab
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Thames & Kosmos Vibrobot Experiment Kit - The Science of Vibration -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Vibrobot Experiment Kit - The Science of Vibration
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Thames & Kosmos Dangerous Book for Boys - Essential Electronics -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Dangerous Book for Boys - Essential Electronics
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Thames & Kosmos Gyrobot Experiment Kit - The Science of Gyroscopes -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Gyrobot Experiment Kit - The Science of Gyroscopes
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Thames & Kosmos Electricity & Magnetism -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Electricity & Magnetism
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Thames & Kosmos Perfume Science Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos Perfume Science Kit
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Thames & Kosmos TK2 Scope - Microscope and Biology Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos TK2 Scope - Microscope and Biology Kit
$119.99
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Thames & Kosmos TK1 Telescope & Astronomy Kit -  Thames & Kosmos - Toys"R"Us
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Thames & Kosmos TK1 Telescope & Astronomy Kit
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