A set of hollow wooden blocks for outside construction area. These blocks are fantastic for encouraging childrens creativity and problem solving skills and for collaborative building projects. A must have for any setting. Large block x 8 = l 56cm x d 28cm x h 14cm. Large plank x 8 = l 112cm x d 14cm. Small block x 8 = l 28cm x d 14cm x h 14cm. Small plank x 8 = l 56cm x d 9.5cm. Supervision advised. Rec 3+yrs.