Rockin Jump The Ultimate Trampoline Park offers fun for the whole family in Westerville, Ohio. We have Open Jump, Dunk Zone, X-Beam, Rockwall, Dodgeball, Ninja Course, Stunt Bag and Widget Ladder. ROCKIN JUMP® is The Ultimate Trampoline Park. With over 10,000 sq ft of trampolines in an 20,000+ sq ft space, we are the Westerville areas favorite destination for family friendly fitness and fun and the best birthday parties imaginable. We offer something for everyone from a ROCKIN Tots program (Tues-Fri 9am-12pm, Sat: 8am - 10am Sun: 9am-11am), private party rooms, a new state of the art basketball arena, Special corporate partnerships, fundraisers, A/C, Cafe, Wi-Fi and more. Check out our special events on our website to learn more about the various programs we offer from time to time.