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4M: Intruder Alarm-Spy Science

by 4M
Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

Learn about the intricacies of lock making with the 4M Spy Science Money Safe. Build and configure a digital lock to create the most secure coin bank ever. Learn how to wire a circuit and install an alarm buzzer for maximum security. Challenge friends to bypass the buzzer and crack the lock if they can. Detailed assembly instructions included. Recommended for ages 8 years and up.