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  #ShareTheScare this Halloween Visit our Halloween space and find out how to win one of two Cel Robox 3D Printers. There are two ways to win: Build and document your past or present Halloween projects. Tweet your best engineering spook with #ShareTheScare. Share your Project and Win #ShareTheScare Competition The Ben Heck Show Episodes   by LDR (age 10) and Thermistor (age 8)     Last Halloween we saw a brilliant Dalek pumpkin in a Cambridge college quad. It had a c ...
By LDR (9 years old) (+dad) Introduction In this game, you roll coins down a ramp onto a board with foil islands. When the coins make a bridge from one side to the other, it is a complete circuit and an LED lights up.   Simple series circuit with LED. The coins make a conducting ‘bridge’ across the foil ‘islands.’ Version 1 First, I cut out the box and the foil islands. Then I stuck the islands onto the box and two rails along two opposite sides with glue. We ...

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