Description

Turn three colorless solutions into red, white and blue. Make the colors disappear and reappear. Do the famous Disappearing Ink tricks, make test papers and more. Learn about the chemistry behind solutions, precipitates, acid-base reactions and pH. Contains: phenolphthalein solution, thymolphthalein solution, sodium carbonate, citric acid, calcium chloride, pipet, stirrers, cups and instructions. Ages 9+ with adult supervision. Includes enough materials to repeat each experiment two to three times.