š” Ā What makes light-bulbs turn on and off?
Electricity!
Get ready to power an electroscope, make a wind turbine, build an electric current with batteries and tin foil, make your hair stand on end, play with circuits and moreāall with the included experiment supplies and the easy-to-follow instructions.Ā
All of Christ for All of Life
Books to live the Christian life out your fingertips, deal with sin, and feed your Christian imagination.
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