A classic toy in a new guise The Organeco building blocks come in a strong red, light and dark blue tones, a fresh green, and a bright orange, printed with different patterns on the faces. The versatile patterns result in continually changing designs, and stimulate the creative expression of the young builders. Because of their size, the blocks from HaPe International are particularly suited for child hands, and they can be very easily built on top of each other. In addition, the hollow design and the bamboo material used make the blocks extremely light. The ecological material and the environmentally friendly paint which is water based underline the sustainability of the product. Package measures 25.98 x 3.15 x 12.99 inches Cylinder block 5.5 x 2.75 inches 25 hollow bamboo blocks in various shapes Idea booklet Game instruction booklet Ages 18 months