Thames and Kosmos Crystal Growing 22 and to be a fun

and to be a fun tool for early biological investigations

exactly two orange spheres must be on the tray

Year Released: 2015

test tubes

When the Krahder ended their raid

Thames and Kosmos Crystal Growing 22 and to be a funGrow 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 bolts, dolphins,