Instant Solid Powder Smart Tube
From Dunecraft, Inc
Priced about $7.99
Starts at 5 years of age
Also known as “slush powder,” this nontoxic powder can instantly be changed from a liquid to a solid, holding 200 to 300 times its weight in water. An information sheet gives many ideas for experiments and explains the science behind them, including polymers, osmosis and saturation. Also included are 30 milligrams of Instant Solid Powder and three food-coloring tablets. Many items needed to complete the experiments are not included.