Circuit Blox™ Build Your Own ECO Fidget Lights 42608 Cab # 6639

42608 Cab # 6639

Build an authentic Fire Chief car outfitted with a flasher bar and siren

transparent red

25024-04 - Car # 492504

★Horizontal stabilizers feature polycaps to enable free movement and flaperons can be built in either up or down positions

Circuit Blox™ Build Your Own ECO Fidget Lights 42608 Cab # 6639Use the hand crank to generate electricity and light the three LEDs! Learn about polarity and see what happens when you turn the crank in either direction. Instruction sheet included 7 total pieces Build 7 projects Includes three (3) LEDs Heart (red), Star (blue), and Blue Red Bi Directional An excellent introduction to Green Energy Compatible with other toy brick sets No batteries required!