This is Pottery Barn Kids Addition and Subtraction Puzzle is a great educational puzzle for early math learners.  These scaled wooden blocks make abstract math concepts easy for children to grasp. The relationship between numbers becomes tangible every time your child plays.

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  • 11" wide x 12" deep x 0.5" thick
  
  
  • Made with wood veneers, painted with nontoxic paint.
  
  
  • Each of the unit pieces represents a number, 1 through 10.
  
  
  • Each unit piece has the numeral on one side, e.g., 1 and the corresponding spelled-out word on the other, e.g., one.
  
  
  • Set of 20 puzzle pieces.
  
  
  • Ages 4 and up.