Build a doorbell, telegraph system and even a catapult all using a true electromagnet.
Build a doorbell, telegraph system and even a catapult all using a true electromagnet.
Size | 10.5 inches Length x 8 inches Width x 2.5 inches Height |
Gtin | 00094051311024 |
Mpn | DO-731102 |
Condition | new |
Material | N/A |