Chemistry experiments you can eat. Make soda pop; make it change colors. Pull tasty jelly things from a solution. Make Polymer Pudding. Learn about chemical solutions, acid/base reactions, indicators, pH, and gels. Contains: Color Crystals (red cabbage extract), sodium bicarbonate, citric acid, calcium acetate, sodium alginate, pipet, spoon, small scoops, cups and instructions. Food grade ingredients. Ages 8+ with adult supervision. Contains enough for a five station classroom setup that can be repeated approximately three times.