This includes our 36 page Warblettes lab acivity book and 5 tubes of warblettes (1 of each color). Complete experiments that discuss density, kinetic and potential energy, the effects of pH, temperature and salinity on water absorption and many other topics. The activities incorporate graphing and math skills. After working with the Warblettes, you will develop your own labs to teach other topics. Each tube of Warblettes will absorb approximately 3-4 liters of water.
Warblettes are also known as "spit balls", "water marbles", and "growing orbs".