Build enthralling structures with this Geo Dome! Featuring 12 pentagons, 30 squares, and 20 equilateral triangles, children and adults can build domes or balls to play with. Large, chunky pieces measure approximately 15-3/4" and encourage teamwork and the exploration of geometry and construction. Create a cozy blanket fort by draping sheets over the built structure. Perfect for hands-on learning and creative fun! Made from 100% recycled materials.