Take the curriculum outdoors with these versatile, open ended blocks. Includes a variety of shapes to select and stack, including cuboids and planks. Build, design and create amazing structures with these beautifully made, quality blocks. Made from pressure treated timber, enabling endless outdoor play. A great, robust resource for child initiated and collaborative play. Block sizes vary from 10cm to 40cm in length. 15 pc set includes: 5 x medium cuboids, 2 x triangular ramps, 2 x small cuboids, 2 x large cuboids, 4 x rounded planks.