Pool items, such as the beach balls, innertube, unicorn and duck floaty, tend to disappear when I load in. When I try to sit on them before they disappear, I get flung into the sky and my screen is...

I was building a house for my friend, the pool specifically, and I added some pool floats. I wanted to try it out, but the floats kept disappearing and glitching/flinging me. I kept trying it out t...