DIY red star electric kits for kids

Tweet

christmas gifts snap circuits toys electronic building block Electric building blocks electronic waterwheel kits 1, all the components required circuit diagram is found through a search page, click on the components, add it to the circuit diagram; 2, moving, rotating components, put it in the circuit diagram of right; 3, after completion of the circuit, hear applause sounded, try to open and close in the circuit switch, adjust the slide rheostat, etc., and see what changes!