Our Pyramid Blocks consists of 32/64 pieces of 3/4 varying heights and of a constant thickness and width of 35mm. The set includes a large tray to hold all the 64pieces. Our blocks are all in rainbow pastel colours. This open ended toy offers stunning possibilities on its own or with our other open ended Rainbow toys. The blocks are made of solid beech wood and coated with non-toxic water-based paints and the tray is made of European Birch Plywood coated with a transparent non toxic water based paint.