Start with your simple bouncy castle build of any kind. Select the "floor" part and open up the Code Builder.

Place a
when touched by playerblock from Events and change the seconds to 1. Follow it up with achange velocityblock from Motion and type "30" into the Y input.
This step is to mimic the wobbly part of walking around a bouncy house

- Now for the jumping part, place a
change players healthblock from Players. Using the drop down menu, change "health" to "jump height" and enter "40" into the input.
The bigger the number, the higher the jump!

Place a
wait -- secondsblock from Control and put 3 seconds, then follow it with anotherchange players healthblock, changing it to "Jump height" and tying the number as "10" to set it back to normal when you hop off.
Colour your bouncy castle and you're ready to play!
