Games like these jigsaw puzzles are excellent exercises in visual-motor coordination, requiring observation, analysis, and accurate movements. They develop childrens' powers of lateral thinking and reasoning, yet still remain fun and entertaining enough to bring happiness to any home or classroom. These three puzzles feature large sized pieces for easy manipulation, as well as originally shaped puzzles. The circular and square puzzles each include 8 solid wood pieces and a base, while the triangular includes 6 pieces and a base. Features: -Set includes Triangular, Circular and Square Puzzles -Made of solid wood -Good for 3+ years old -Large sized pieces are easy to manipulate -Perseverance is needed! -Thickness of a piece: 0.25" -Dimensions (Circular): 0.5" H x 12" diameter -Dimensions (Triangular): 0.5" H x 12.75" W x 11.5" D -Dimensions (Square): 0.5" H x 12.75" W x 12.75" D