Block N Roll Block-N-Roll is an award winning educational toy (Parents' Guide for Children's Media, Dr. Toy Best Vacation Children's Products Award, and the Oppenheim Toy Portfolio Award) construction block system that's fun and educational for kids. Block-N-Roll is the only plastic marble maze block that is compatible with all leading blocks, including LEGO/DUPLO BRAND BLOCKS and Mega Blok construction. Block-N-Roll is a marble maze construction system that's fun for kids. Build spectacular structures and let your imagination roll! Block N Roll is proudly made in the USA.