4 years & up. Experience the fun and ingenuity of slippery spheres, silly squares, and jelly stones all in one convenient set. Simply add water and watch in amazement as they expand to as much as 200 times their size! Fun to bounce, roll, stack, and mix. They even slip, slide, and explode. Completely reusable, just dry them out and hydrate again and again. Environmentally friendly. Includes an informative guide. Trays are not included.
3 years & up. Look under the magnifying glass to see the different details of the shells or use for counting, sorting, and up-close viewing. These genuine, assorted sea shells come in different sizes. Available in a set of 12 or a set of 48.
3 years & up. Bring science into the classroom. This set of 12 Agate slices will delight the little explorer in any child. Transparent quality of each slice allows children to see the layers caused by formations. Color and texture variations can open discussions about likes and differences. The possibilities are endless! Each slice measures approximately 1.5" wide.
Grades 1 - 6. Teach students the science of simple machines. Kit contains four pulleys (two singles, one double and one triple sheave, plus joining pin) and instructional guide with suggested classroom activities. Sting(s) not included.
6 years & up. This simple and easy to use kit is a great way to show children how germs spread and teach them proper hand washing techniques to help prevent it. Kit includes guide, glow powder and blacklight. Requires 3 AAA batteries, not included.