EXP Star Jellies are items that can be used to increase the level of Cookies. They are primarily earned from Cookie Houses, the Fountain of Abundance, and from World Exploration stages, though can be obtained in many other places. They are a common reward in most events and can also be found in certain packages from the Shop. EXP Star Jellies are categorized as Free in the Storage and can be stored in stacks of up to 99,999. Sugar Gnome Laboratory upgrades can improve the amount of EXP...
