These self-checking matching puzzles are a must-have addition to offerings for learning games, as they help students practice basic math skills through patterning and skip counting.

• Material: Cardboard.
• (60 pcs./unit) 
• Size: Box, 7 3/4" x 4" x 3"; puzzles, 7" x 3 1/4".
• Two pieces make a puzzle; 30 puzzles included.