StarMall Set of 2 Montessori Teaching Aids Material Unfinished Wooden Craft Triangle Building Blocks 100% Real Wood - 100% Lead and BPA Free 2 pieces right-angled triangle Solid wood, sanded smooth. Safe and long-lasting The shapes are made by real people, not machines! Size: 4 x 2 x 1 inches(10 x 5 x 2.5cm)