This first Numberblocks Counting Puzzle Set helps little ones learn counting 120 through fun puzzle play. As children assemble the chunky, durable puzzle pieces, theyll be counting the Numberblocks and Numberblobs, identifying each Numberblocks Numberling, and building colour recognition and fine motor skills along the way. Each clever self-correcting Numberblocks puzzle fits together in a unique way, which means theres only one right answer. This gives little ones a feeling of achievement as they solve the puzzles themselves.