DISCOVER: Invite “little engineers” to explore a world of building possibilities while developing critical thinking and problem solving skills; turning and spinning gears add a layer of action and interactivity to completed creations DEVELOP: Boost fine motor skills while promoting reasoning as children create moving experiments; learning gets more intricate as children’s abilities advance 116-PIECE SET: Activity set includes 46 Colorful gears (blue, green, orange, red, purple), Special parts including wrecking ball, propeller; square pillars, 21 six-way axles, 6 interlocking bases, 1 crank handle, and activity guide LEARN & PLAY: Foster imagination and unplugged play with this versatile, interconnecting gear set . Children can experiment with simple mechanics and science; supports STEM by introducing children to sorting, grouping, counting, designing, constructing, and putting physics into play with spinning gear movement Super STEM Skills: From science and technology to engineering and math, STEM learning help kids build critical thinking and other skills they need for success in school and beyond!