Match and sort these 25 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! This item is excellent for Montessori, Preschool and/or Waldorf environments! Details:Multicolor25 durable, solid wood block pieces to match and stackGreat for building early shape, color and size sorting skillsPackage: 11" x 3.5" x 8.5"3 lbsMade by Lights Camera InteractionLifetime warranty