Water Wow! Numbers Features:
- 4 number-themed practice boards and refillable water pen
- Reusable pages are white when dry; reveal colors when wet.
- Chunky-size water pen is easy to fill, easy to hold.
- Compact, spiral-bound format--great for travel!
- Promotes fine motor skills, number-recognition, and writing skills.
- Great for ages 3+ years & up