Mix experiential learning and play with this Amazing Science rainbow worms kit. It teaches the basic application of polymer science by letting kids create slimy forms of various colors, lengths, and thickness. This 10-piece rainbow worms kit makes more than 40 feet of worms, offering fun ideas for science lab activities, slimy accessories, and gooey party decor. Ages 8+.Warning: This set contains chemicals that may be harmful if misused. 4 ounces clear sodium alginate. 10 grams calcium chloride. Plastic worm squirter. 3 fizzing color tablets. 3 2-ounce plastic cups. InstructionsRainbow Worms Kit: 10 pieces