[Product Information]

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• Made with eco-friendly and sustainably-sourced wood.
• Self-correcting domino number puzzles teach basic counting and numeral recognition skills.
• High-quality， durable puzzle pieces contained in their own box with a sliding top. Easy for kids to open and close on their own.
• Individual puzzles are about 3 inches across and fit together in a 10-inch-long box.
• Handmade in the Czech Republic.