Cool yet so simple: just a long copper coil, some small strong (rare earth – generally neodymium) magnets, and an AA or AAA battery to create a very simple engine.
Cool yet so simple: just a long copper coil, some small strong (rare earth – generally neodymium) magnets, and an AA or AAA battery to create a very simple engine.
The kit was easy while still fun to build (except maybe for fitting the wires in). This was a fun…
Florence (15) and Keito (14), students at Hakusan International School