20 Puzzles.Teach and reinforce essential early skills with these 20 self-checking, five-piece puzzles. Each puzzle features a center piece and four matching puzzle pieces. Unique die cuts on each puzzle make self-correction a snap. These 8" x8" plastic-coated puzzles are durable and easy for small hands to manipulate. Includes an activity guide.10 5-piece, 2-sided, Self-checking puzzles + 2-pg activity guide Puzzles: 8" x 8" Box: 8.5" x 11" x 2.25"