StarMall Set of 10 Montessori Teaching Aids Material Unfinished Wooden Craft Blocks Rectangulars 100% Real wood - 100% Lead and BPA Free 10 pieces wooden rectangulars(7-15 days delivery) Solid wood, sanded smooth. Safe and long-lasting Size: 1.18 x 1.97 x 0.59 inch(3*5*1.5cm)