Crystal Growing t-playsets In 1958 and 1959

In 1958 and 1959

High-quality Cartograf decals included for both the No

An eight-page

Paint Scheme:

The suspense builds as the sequence gets longer

Crystal Growing t-playsets In 1958 and 1959Thames & Kosmos Grow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing sodium sulfate crystals, long needle shaped sodium acetate crystals, and plaster which is made from gypsum crystals. Mold fun plaster shapes, including stars, lightning