Mass & Volume
Density blocks, 6 x 3 sizes
Density blocks, 6 x 3 sizesThis box contains 18 density blocks, divided into three different volumes. Each volume size is available in six different materials: iron, plexiglass, aluminum, zinc, copper and brass.
Lead-free density cubes
Lead-free density cubesThis box contains six squares, each with a precise volume of 1 cm³, but made of different materials: aluminum, iron, zinc, copper, plexiglass, and wood.
