Jumbo PlaystixJust like the original Playstix, only BIGGER! Kids will love open ended play with this fun, color coded building set that encourages creativity, social interaction with peers, problem solving skills, and STEM learning support. Our Jumbo Playstix helps foster fine motor skills, cognitive ability, encourages imaginative building and learning while having fun! You can build models two ways by simply stacking or by using the unique snap and lock feature.