Material: plastic, powde 1、【4 Colors of Dinosaur Growth Crystals】4 colors of orange, pink, yellow and green crystals are paired with 4 different shapes of dinosaur bases to bring them to life! Dinosaur crystal growth kits greatly help kids complete science experiments at home, and cultivate their interest in science. 2、[Full set of scientific experiments] Crystal growth kit includes dinosaur mold*4, crystal sand*4, seed crystal*4, magical sand*2, stirring stick*2, wooden stick*1, transparent cup*4, measuring cup*1, display Base*1 and full-color study guide*1. The abundance of material is sufficient for children to complete experiments on their own. 3、【Simple Steps is a Little Scientist】The study guide features detailed steps, follow the steps in the manual to make your crystals grow easier than ever, and kids will have a vibrant glow in 6-10 days Crystal, do-it-yourself, little science lover. 4、【Cultivate Patience and Attitude】The crystal growth experiment require children to strictly follow the instructions. Dissolving, observing and removing crystals, the entire experimental process requires children to run accurately, carefully and patiently. 5、【Educational Toys for Kids】The goal of Crystal Growth Kit is to improve children's science, technology, engineering and math skills. Perfect for kids who are curious about the natural world, it's the perfect educational gift for boys and girls. 1 set of crystal experiment toys