Bags of Knowledge / Science Novelties
These little "bags of knowledge" are the perfect blend of fun and discovery for your young children. They will be astounded as they watch Silly Squares expand to hundreds of times their size, Slippery Spheres expand and bounce, Instant Solid Powder absorb 200-300 times its weight in water and transform into a solid, and much more. Each Bags of Knowledge (BoK) kit comes with a helpful insert containing instructions and offering ideas for experiments. Also available in smaller Try-It Sizes, which contain the instructions only (no experiments) printed on each package.