Get ready to travel down to the dark and silent world of underground caves. You will discover bizarre rock formations, glistening geodes, and create a cave full of crystals. Grow sparkling crystals on plaster shapes, make your own glistening geodes, and create a crystal column. Try growing a jumbo-sized crystal and follow the steps to discover the crystals in your own kitchen. Keep your creations safe in a stalactite cave display case.