Space Age Crystal Growing Kit: Ruby (Space Age Crystals)

Turn ordinary rocks into sparkling crystals treasures! Just dissolve the crystal growing chemical in hot water, place a rock with a diameter of up to 4 inches (10 cm) into the solution, and watch how crystals grow on it. Type of crystal: Ruby What to grow: 1 crystal cluster on rock Maximum size: 4 inches (10 cm) Contents of kit: # crystal growing chemical # display pedestal # stirring rod # instructions Kit dimensions: 6 1/4 in x 4 3/4 in x 2 1/2 in