Cool Kat Party Warehouse is celebrating its one-year anniversary this September at its location on 1457 Spring Cypress Road, Spring. The 20,000-square-foot store is the largest party store in North Houston and in Montgomery County, according to the company. The company offers party, craft, baking and catering supplies; seasonal decor; year-round costumes and accessories; toys; and balloons. The original Cool Kat Party Supplies store has been open on Kuykendahl Road for six years. 832-813-5646.