Wooden Counting Board Abacus Number Stacker - (WNTb073) - Mathematics Rainbow Ring Puzzle
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1. PREMIUM MATERIAL: Made of high-quality solid wood painted with eco-friendly water paint.
2. SPECIAL DESIGN: Set up with 55 pcs stacking ring puzzles of ten columns & one double-sided wooden basic.
3. LEARNING EASIER: Makes it so much easier to teach the kids addition and subtraction, while playing. SKILL IMPROVING: 10 kinds of rainbow color beads, teach color recognition skills.
4. Size about 34x13x5 cm, Recommended age 3 up; Great Birthday Christmas gifts toys for your children's early learning educational.