Match and sort these 21 colorful wooden pieces, and skill-building is just part of the fun. Rings, octagons, and rectangles can be slotted onto the three rods, stacked on top of each other, or lined up to compare shapes, sizes, and colors. This first-concepts set is a manipulatives all-star! Details 21 colorful wooden pieces to match and stack on three rods Rings, octagons, and rectangles Great for building early shape, color, and size differentiation skills Exceptional quality and value. Age: 2+ years