In this article science kits were considered as units developed to encourage children to become actively involved in learning through the testing and investigation of a variety of materials. (Author/RK)

Described are 16 successful education projects in 11 states. Some are supported by local or state funds; others are approved by the National Diffusion Network, meaning that they have been statistically validated as effective and receive federal funds to train teachers in replicating the project at minimum cost. Addresses are available for further…