Use old toddler wood puzzles to make stamps.
Puzzle Calendars – Mathigon
You've Got Mail - Postage Stamp Jigsaw Puzzle – Hero Decks
Miniature Jigsaw Puzzles made from Postage Stamps - Ashley
Easy Ways to Use Postage Stamps in Junk Journals
Rainy Day Rainbow - Recycled Art - No Time For Flash Cards
Beginner's guide to rubber stamping: everything you need to get
12 Valentine's Gifts Made From Recycled Materials - diy Thought
NOSTALGIC COLLAGE PUZZLE: With its composition of international postage stamps, this Re-marks puzzle is sure to make any puzzler smile. This
Re-marks Air Mail Postage-Stamp Collage Puzzle, 500-Piece Puzzle for All Ages
Bubble-Wrap 4-Seasons Tree Craft
Paper Tube Fireworks Art Project for Kids - Arty Crafty Kids