By MindWare

Reviewed for Fourth Grade, 2011

Contraptions Catapult

Defend the fort! And launch in to science theory with your kids. The kit comes with everything you and your child should need, from a tube of wood glue to a handy paper ruler, finished wood pieces and easy to follow directions. No tools are required, just some attention and patience. This gift offers the best in hands-on learning because once it’s built, the playful side of physics comes out as you and your kids experiment with angles, trajectory and more. (MiindWare, $18.28)