DO-IT-YOURSELF PROJECT: A hands-on craft kit, these catapults come pre-packaged for individual use and include simple instructions. WHAT'S INCLUDED: The set includes enough wooden craft sticks, self-adhesive foam pieces, plastic eggs and pom-poms to make 12 catapults. When assembled, the catapults measure 6". GREAT FOR KIDS: This is a fun project to introduce into your STEM activities. It's not designed for children 3 and younger. STEM CRAFT PROJECT: Students can learn all about force...