
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.