Use old toddler wood puzzles to make stamps.
Handcarved Pineapple Red Rubber Stamp!
3 Ways to Make Photo Frames from Ice Cream Sticks - wikiHow
Beginner's guide to rubber stamping: everything you need to get
Snowman Bubble-Wrap Printing Craft
Fun projects kids can do to celebrate Earth Day - Reviewed
How to make a stamp - Messy Little Monster
Easy DIY puzzle board with a game board on the back! - Funky Junk
How to make homemade foam stamps from old puzzles - Cucicucicoo
How to Make a Pumpkin Puzzle with a Paper Plate » Preschool Toolkit
Recycling Activities for Kids: 30+ Ideas They'll Love! - Crafts on Sea
Recycled Puzzle Hand Stamps - A Lil Blue Boo Tutorial
Recycled Puzzle Stamps (A Tutorial)
DIY jigsaw puzzle crafts and ideas for creative minds
Plastic Bottle Stamping - Pre-K Printable Fun
Easy Ways to Use Postage Stamps in Junk Journals