Numberblocks Adding and Subtracting Puzzle Set
Explore the relationship between Numberblocks One through Ten by adding or subtracting One to find a new Numberblock friend. These 2-piece, self-correcting puzzles perfectly illustrate the power of Number Magic!
Highlights- Includes 20 colorful, 2-piece puzzles featuring Numberblocks One to Ten.
- Self-correcting puzzles are great for practicing early addition and subtraction from 1 to 10.
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