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.
Includes: detailed instructions.
Requires one AA battery NOT included.
Ages: 8+
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.
Includes: detailed instructions.
Requires one AA battery NOT included.
Ages: 8+
