Introduce children to the world of numbers with these interactive learning puzzles. This set includes 20 four-piece puzzles with vibrant images and a color border for easy assembly. Kids can practice tracing numbers, counting objects, and matching magnetic numbers from 1 to 20. The magnetic pieces can be used on any magnetically receptive surface for extended learning opportunities. Each set comes with a write-on/wipe-off area for repeated practice, magnetic letters or numbers, a dry-erase pen, and a convenient fabric storage bag. Perfect for children ages 4 and up, these puzzles are a fun and educational way to enhance early learning skills.