HAPE JUNIOR INVENTOR: DELUXE SCIENITFIC WORKBENCH - 79 PIECES - Learn more about science with this cool inventor`s workbench! Contains everything needed to undertake 15 experiments and build devices including a digger, a mechanical arm, a crane, an elevator, a robot head, waving hands, a mechanical clapper, a rotating light, a fan belt, a gate barrier, an animated frog on a lotus leaf, a jumping frog, a bell ringer, a zoetrope and a gravity-propelled vehicle. Plastic parts include: Seven long bolts, eight short bolts, 14 nuts, four cap nuts, one double-holed joint, one triple-holed joint, one triangular box, one big pulley, four small pulleys, two big cogs, one handgrip, one screwdriver, one wrench, three fan blades, and one hanger. Wooden parts include: Two single hole cube, two three-holed rectangular blocks, one triangular plate, two 5-holed strips, three 7-holed strips, and four 9-holed strips. STEAM: Great for developing logical thinking and an understanding of Science, Technology, Engineering, Art and Mathematics (STEAM) principles. FOOD FOR CURIOUS BRAINS! Junior Inventor introduces children to the amazing world of science in the most natural way: through play. Lay the foundation for the development of technological, engineering, artistic and mathematical skills