Let's make something beautiful! Grow 3 colorful coral-like structures before your eyes. Our Coral Reef kit creates a colorful variety of coral. This kit includes 3 paper coral forms, 3 trays, 3 packets of terraforming powders, and instructions. It's like snorkeling at your desk! Hello Chemistry. A great reef in a 4x4x5.5 tube. Ages 6 and up.