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
Kit, The state of Earths atmosphere affects us all, which explains why the weather is one of the most popular topics of conversation and scientific study. With 23 hands-on experiments, Full-color, 48-page manual.