With this ingenious kit, kids can build a doorbell, telegraph system and even a catapult, all using a true electromagnet.
Kit includes:
- disc, latch and neodymium magnets
- compass
- straws
- wires
- sandpaper
- switch plates
- wood screws and nails
- light bulbs
- battery holders
- iron filings
- pre-drilled wood blocks
- light emitting diode (LED)
- experiment and project book.
Ages 10 and up.