Stacking Pop Ups are now available in 5 fun sizes! Pop Ups collapse for easy storage. Full color pattern with step-by-step photos. From Mini to Extra Large? this pattern makes all pop up sizes. Pattern does not include Pop-Up Springs. Refills are sold separately. FQG123 Medium Pop-Up Refill. FQG124 Large Pop-Up Refill FQG125 Extra Large Pop-Up Refill FQG126 Stacking Pop-Up Refills (All 3 sizes) FQG131 Mini Pop-Up Refill Formerly known as Fat Quarter Gypsy