"micro tube racks"

With the magnet is on the outside, it's easy to see the science behind these eddy tubes.

Wide range of cubes for density experiments.

Density Cubes, Set of 6 Metals, 0.4" (10mm) sides.

Cubes have 2 cm(0.78") sides with a hook for density investigation and specific gravity activities. Element stamp indicates material.

Set of 9 cubes, 25 mm side. Supplied in wooden box.

Density Cubes, Set of 6 Metals, 0.8" (20mm) sides.

High quality density cubes for the classroom.

Explore Bernoulli's principle of air pressure.

Demonstrate the inverse relationship between density and volume.