The moment the Worm Goo is added to the Growing solution, worms magically appear! Make fat worms, long worms; color changing worms or even a worm bracelet. Makes 20 feet of worms. Its hands-on chemistry fun! Includes: Worm Goo, Growing Powder, Potion Cup, non-staining Coloring Tablets and instructions. Ages 8 and up. Insta Worms - Single User 770$6.99 Insta Worms - Classroom Set 751$49.99 This is the Insect Lore Store - to see all the lore, bug fun, and insectucational stuff insectlore.com has to offer, go here. For friendly customer service, email us via our form at customerservice@insectlore.com, or call Insect Lore at 1-800-LIVE BUG. Order our products in the EU at Insect Lore Europe.