Learn the science of connecting an electric circuit.
Construct your own door buzzer and place it behind your door.
Stop intruders from your room. It's cool and fun!
Contains: plastic platform and alarm casing,
1 set of plastic accessories, metal pegs, electric buzzer, electric wire, string for alarm trigger, and detailed instructions.
INFO
Age 8+
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The Mindo Collection consists of 4 clever puzzles; can you collect and master them all? Play solo, or combine them and race your friends. No matter...
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