"Dessus de bouchon"

STEAM education for a brighter future.

Demonstrate the conversion energy into different forms.

Economical and effective.

For Use With Solar Cell.

For physics experiments and demonstrations such as kinetic, density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1-1/2" (40mm) diameter. Made of Steel. Sold as a pair. Comes with a Teacher's Guide.