If your bug is with Studio or the Roblox engine, upload avery simpleplace file to your thread that can be used to reproduce the bug. This file should contain thebare minimumto cause the bug to happen. Always include reproduction (repro) files for bugs that only happen with specific scripts...
This glitch is very rare! Power-Up icons will appear as they are supposed to but will have no green glow around them. When they are in this state they are unable to be picked-up, as the player's character will just walk through them. There isn't a known way to make these glitched...