Stretch squish and squeeze five different types of slime and putty in the National Geographic Slime and Putty Science Lab • You'll make batches of red and blue slime be amazed by purple liquid slime and have a blast with the blue metallic putty and bouncing putty in this kit. • These are great sensory toys for kids and an awesome way to introduce kids to the science behind slimes and putties. • A detailed learning guide teaches about slime in nature how putty was discovered and more! Storage containers are included for each slime and putty in the kit