NUMBER PUZZLES, SEE & SOLVE JIGSAWS, Addition and Subtraction, Age 3+, Set of, 20

Reinforce basic addition and subtraction skills with these beautifully made wooden puzzles, hand cut in the UK. The set includes 20 puzzles (10 addition and 10 subtraction), with 3 pieces each, that illustrate a simple calculation in both pictures and numbers. Complete the puzzle to solve the sum. Size of each puzzle: 140 x 120mm. Suitable for ages 3+.