Magnetic Hourglass

Out Of Stock!

We will notify you when this product becomes available.

This wonderful thing is a glass one-minute timer containing ferrous sand, with a magnet in the base - so each use creates a new flower of stalagmites in the bottom half, as the particles follow the infinite strands of the magnetic field.

Measures 16.5cm high, wooden base 7cm wide


Collections: Physics, Science


Pin It

Related Items