Counterrotating Stepped Spiral

57 wooden pieces, including a wooden base board. Build a spiral staircase or create a tower while developing fine motor skills and spatial thinking skills. Made from lime wood with non-toxic water-based colour stain. Blocks measure 4cm thick and up to 15cmL. 1yr+. (Please note, the inner boxes have slight damage but this is cosmetic only and does not affect the product. Please refer to the photos ).