4M - Intruder Alarm

  • Brand: 4M
  • Product Code: 00-03246
  • Reviews:

$26.95 $21.50
You Save $5.45!

Learn the Science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. Its cool and fun!

Ages: 8+


Be The First To Review This Product!

Help other Gizmos and Gadgets Store users shop smarter by writing reviews for products you have purchased.

Write a product review