The Ruby Trampoline is after the Blue Diamond trampoline.It unlocks at level 30 and is 40 gems if you want to buy it before it is unlocked in the levels.This Trampoline earns a massive 25,000xp and 1,700 in money it's description is'TAKE BOUNCING TO THE VERY HIGHEST LEVEL',but that is wrong if you think about it because the golden dragon is last trampoline