Sparkle Formations: Crystal DinosaursThese dinosaur figurines grow sparkling crystal spikes overnight! Everything you need for this easy and fun science project is included. You can watch the process of crystallization over the course of 24 hours as your three dinos grow amazing crystal spines on their backs. Theyre a spectacular feat of science display them in your favorite space when youre done for a brilliant pop of color. Grow your own sparkling dinosaur dcor! Encourages a hands on