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.

Teach your preschooler color recognition using this handy egg carton sorter. She will group objects by color and learn to recognize their names with this tool.

Bring some winter fun into your home while your child practices her number matching skills with this adorable snowman math game.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

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

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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