SpringBots Big Kid 7-12+ Years giving us an amazing set

giving us an amazing set of tools that can be applied in the real world to engineer marvelous things

Three compartments keeps food separated & fresh

A unique way to celebrate the power of a young woman

12 unique oscillator modulation schemes

1 dough knife

SpringBots Big Kid 7-12+ Years giving us an amazing setBuild a motorized robot, race car, and countdown timer all that run without any batteries or electrical power! The secret behind these fascinating machines is a power source called a mainspring a spiral shaped spring that stores up energy when wound up by hand, and then converts that stored energy back into motion when it discharges. The mainspring inside the robot turns gears which enable it to march forward on two legs. The race car zooms across the