3 years & up. Everybody loves a challenge! Help children build confidence and achieve success with fun 2-piece puzzles that hone their skills at their own pace. Only matching pieces fit together, so children can learn by trial and error. Present short and long vowel rhyming words with photo sound cues. Photos for real-life learning. Durable, 3" x 3" pieces come in a sturdy storage box. Includes 24 two-piece puzzles, 48 pieces in all.