It’s like color by number but with reusable magnets! Includes 15 double-sided challenge cards with 30 unique designs. Each card is color-coded to make it easy to find the magnet needed for each square. Reusable magnets make it easy to color over and over again! Contains 100 magnets of 7 fun different colors. Finished all the challenges? Your little one can use the free draw card to create whatever their imagination desires! Magnet by Number is a great travel activity that encourages independent play and creativity.