Springbots 3-in-1 Spring-Powered Machines Dragon this 15-piece butterfly-themed tea set

this 15-piece butterfly-themed tea set sweetens tea-party play

Baby Shark and more

Lightweight yet durable

ready to play

Springbots 3-in-1 Spring-Powered Machines Dragon this 15-piece butterfly-themed tea 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