Four Ball Synchronous Half Shower
Throw two balls at a time so they cross at the top. It's important to make sure one always goes over the other. If you can do Rainbow Cross with three balls, then this shouldn't be too hard.
Throw two balls at a time so they cross at the top. It's important to make sure one always goes over the other. If you can do Rainbow Cross with three balls, then this shouldn't be too hard.