Gravity UK Gravity UK is the number one when it comes to finding the best trampoline parks in the UK. With 13 different trampoline parks across the country, Gravity UK offers a unique and fun experience for kids and families. Soar through space while bouncing, dive into the sea or play basketball in the trampoline park—all this and more can be experienced at Gravity UK! Enjoy an exhilarating day of bouncing, fun, and adventure—now at Gravity UK's trampoline park!