Robot Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7x6.3x9.4in, The robots have moving parts, wheels, and gears, simple machines and gear trains, colorful plastic building pieces make it easy for small hands to put the models together
Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together
Nanotechnology Cutting-Edge Nanomaterial, Dimensions: 19.1x13x3.8in, Some of the biggest scientific breakthroughs in recent years involve things that are actually very small, deals with the smallest structures, in the range of one to 100 nanometers in size