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.The REGULAR KITS (singles) include enough materials for repeating each experiment 2 TO 3 times. The larger CLASSROOM KITS contain 5 times the materials of the single kits, enough for a 5 STATION CLASSROOM SETUP that can be REPEATED APPROXIMATELY 3 TIMES.