Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Reuse old cardboard boxes and popsicle sticks to create a miniature sled that is perfect for pretend play with dolls or action figures.

Using nothing fancier than old milk cartons and popsicle sticks, create a village full of fun learning for your kindergarten math student.

Building a rocket ship is a great way for kids to learn about measuring and construction. It'll fuel their creative side too!

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!