Best Seller | Playground Engineering & Design Kit Encourage your child to come up with their own designs or they can follow the Challenge Cards, which include how to build different pieces of equipment on a playground (a twisty slide, a swing set, a seesaw, and more). Reproducible worksheets based... ... more Playground Engineering & Design Kit Encourage your child to come up with their own designs or they can follow the Challenge Cards, which include how to build different pieces of equipment on a playground (a twisty slide, a swing set, a seesaw, and more). Reproducible worksheets based... The Scholastic Store | | $24.99 go to store |