HAPE JUNIOR INVENTOR: DISCOVERY SCIENTIFIC WORKBENCH - Get started on the road to becoming a scientist with this cool inventor`s workbench. Introduces children to the process of experimentation and concepts including energy transfer, momentum and gravity. Contains everything needed to undertake ten experiments and produce a mechanical grabber, a robot head, a fan belt, a crane, a cable car, a bell ringer, a climbing frog, a waving hand, a sound maker and a boom gate. As children aged four and over complete each experiment, they will produce a fun new machine to teach them about science. Hape Discovery Workbench Get started on the road to becoming a scientist with this cool inventor's workbench containing over 10 different experiments! As children aged four and over complete each experiment, they will produce a fun new machine to teach them about science. Play Tips Now let your imagination run wild. Use the different components to conduct new experiments and invent wonderful new devices. Plastic parts include: Five long bolts, eight short bolts, eight nuts, four cap nuts, one triple-holed joint, one big pulley, one small pulley, one big cog, one handgrip, one screwdriver, one wrench, three fan blades, one C-clamp, one hanger and one triangular box. Soft parts and accessories include: One silicone belts, one bell, one frog, one gasket, two hands, and one mask.