Number Matching pairs numbers 1-20 with pictures in that quantity on the other piece Creative Child Preferred Choice and Mom’s Choice Award – Gold Stamp rating honoring excellence in production quality, design, educational value, entertainment value, originality, appeal and cost Educational Value: STEM and Graduated Learning Includes Twenty 2-piece puzzles Additional play on the back of puzzle - addition and subtraction problems equaling the number on the front of the pieces Thick puzzle board ensure a tight interlocking fit Self-correcting pieces ensures no two pieces are cut the same so no incorrect matches can be made Age 3+ . We stand behind our products and guarantee your satisfaction. Fun and educational number and picture matching puzzle! Move from number identification and counting to addition and subtraction problems on the backs of the puzzles. Graduated learning makes the educational value last longer as a kid grows. This Puzzle is good for kids ages 3 and up!
