Learn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It's cool and fun!
6 - 8 Years
9 - 12 Years
Scientific (Physical Processes, Experimental)
2 x AA Batteries (Not Included)
- 1 x Plastic Platform and Alarm Casing
- 1 Set of Plastic Accessories
- Metal Pegs
- Electric Buzzer
- Electric Wire
- String of Alarm Trigger
- Detailed Instructions
Is the information for this product incomplete, wrong or inappropriate?
Let us know about it.
Does this product have an incorrect or missing image?
Send us a new image.
Is this product missing categories?
Add more categories.
Review This Product
No reviews yet - be the first to create one!