4 piece Tegu Magnetic Wooden Block Parallelograms Set - Tints NEW System Accessory: Affectionately referred to as the "P-gram," this versatile shape can be thinkered with on its own, or paired with other Tegu friends. If we had only know the power of the P-gram in geometry class Brilliantly simple and premium heirloom-quality toy that will last for generations Curiously attractive and perfect for those seeking toys supporting open-ended and unscripted play Naturally safe: no lead, no plastic, non-toxic, water-based lacquer finish, no small parts Tegu support a childs development over time through play: enhanced fine motor skills, pattern recognition, balance, sense of scale, imaginative play, problem solving, storytelling.