Create colorful geometric sculptures no matter where you are. Great for restaurants, car trips, waiting rooms, and anywhere kids need to wait and parents want them off electronics. Building disks grow with kids, working their fine motor skills, spatial awareness, and planning skill. Kids’ creations can be as big as their imaginations, and still pack back up in the tin! Includes: Travel tin (4 1/4" x 3 1/8" x 1"), approximately 30 1” building disks (colors will vary). Ages 5 . Small Parts.