Buzz Alarm 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.

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4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more.