Zillio has 12 colorful staircases based upon multiplication tables. The visual and tactile relationships between steps enable kids to discover and master difficult math concepts as they learn and play with 10 essential math skills. Mega Zillio is the larger version of the Mini Zillio. It handles numbers up to 60, and measures 27" x 27" x 12". It does everything the Mini does but can have up to 6 players at a time and the same games included require more challenging play and problem solving to come out on top.