These 5 Unicorn Iwako Japanese Puzzle Erasers are part of the Colorz Collection. Super cute erasers are made with recyclable non-PVC material, lead and phthalate free. Can be taken apart and reassembled like a puzzle. For ages 3 years old and up. Iwako has been making erasers in Japan for over 40 years. Each eraser is designed and its mold is made by skilled craftsmen. Every Iwako eraser is hand finished and assembled in Iwako's factory in Japan. Collect as many as you can! Iwako erasers are not just for fun .they actually are excellent pencil erasers. Try them and they will bring a smile to your heart!