Six hardwood stacking squares feature inset coloured plexi for stacking, sorting, building, sequencing and creating imaginative, colourful constructions! Doubles as a stand-alone manipulative or an addition to hardwood block construction. Hardwood frames, rounded corners and edges, and inset acrylic windows. Largest square measures 17cm Width x 17 Height x 5cm in Depth. Age Suitability: 2 Years +