Designed with common dimensions to help develop numerical reasoning, construction skills and spatial awareness. This set includes 89 blocks which are made from the highest quality solid European beech with rounded safety corners and come in a handy clear tub for easy storage. Set includes: small triangle, ramp, small cylinder, large cylinder, roof section, arch, hexagon, triangle pillar, semi circle, quarter circle and cube. Largest block size: W300 x D50 x H25mm. Smallest block size: W50 x D50 x H25mm. 5 year guarantee (1 year for clear tub). Age Suitability: 6 Months +