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Play with electrons.
Little games that teach real ideas. Free, quick, and made for your phone.
Light it up
Tap the wires to light the bulb.
Current flows from the battery through every wire whose ends touch. Connect it all the way to the bulb.
More things to play.
What kind of maker is your kid? A 60-second quiz with a shareable result and a gift list to match. Take the quiz STEM Advent Calendar 24 doors, 24 ten-minute experiments you can do at home in December. Open the calendar Send a surprise Pick any gift idea and send it as a wrapped box that unwraps itself. Choose a gift