Everybody loves a challenge! Help children build confidence and achieve success with fun two-piece puzzles that hone their skills at their own pace. Only matching pieces fit together, so kids can learn by trial and error. Kids learn how to identify opposites. Puzzles show positional concepts in pictures and words. Details: Opposites Fun-to-Know Puzzles design 1.44'' x 7.5'' x 7.5'' Photos for real-life learning Aligns with common early-learning standards For ages 3 and up Contents: 24 two-piece puzzles, 48 pieces (3'' x 3'' each piece) Sturdy storage box