Kennedy and I made a wire loop game, using some basic cheap electronics.

• 9v Battery
• Buzzer
• Old light switch
• LED
• Various wires
• Nuts and bolts
• Electrical tape
• Wire screw caps
• Cardboard box

The initial wiring and cutting of the box took more time than I figured and she started to lose interest until we got around to the top. We did this all on-the-fly, but there are plenty of tutorials (like one on Instructables) you can follow.

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