Build this catapult kit in under 1 hour. It's fun to build and operate. Made from high grade pine and oak, this kit was designed to be educational and is great for science fair projects.

WARNING! Wear safety glasses when using this product. This catapult is capable of shooting projectiles with force over 30 feet.

Federal legislation requires the following product warning:
WARNING! CHOKING HAZARD! This product contains small parts. Not for children under 3 years. Adult supervision required.

Aluminum Clamp Holder holds rod up to 3/4" in diameter.

A four inch column of small semi-precious stones.  A great way for your child to learn about stones.  Ages: 6+

WARNING! CHOKING HAZARD! This product contains small parts. Not for children under 3 years. Adult supervision required.

Was $2.99

Concavity Slides
Box of 12, Size: 3" x 1"

Just mix two liquids together and you've got perfect slime, every time!  Ages: 8+

WARNING! This kit contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision.

Was $6.99

Cover Slips
Box of 100, Size: 22mm x 22mm, Glass

This classroom kit contains materials for building 20 catapults.  Helps meet NSES: 4EST1, 8EST1, 12EST1.

Federal legislation requires the following product warning:
WARNING! CHOKING HAZARD! This product contains small parts. Not for children under 3 years. Adult supervision required.

Crystal Growing Kit - Simulated Aquamarine & Diamond. Watch these two amazing crystals grow in just a few days.  Ages: 12+

WARNING! This kit contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision.