Sale! Learn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door.It's cool and fun!17cm x 22cm x6cmAge 8+
Learn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door.
It’s cool and fun!
17cm x 22cm x6cm
Age 8+
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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