6 projects to understand how electricity flows through printed circuits and how resistors and transistors work by building a radio a burglar alarm and a fire alarm. Safe circuits with no soldering. Instruction sheet with colour illustrations. Recommended age: 8 years + Requires 1 9V battery not included.
For returns please send us a return request before sending the item back. We will provide you with a RMA number which you will need to include in the return. Simply pack the item(s) in their original packaging with the original invoice along with the RMA number. Shipping charges will only be refunded if the return is a result of our error.
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