Fahrenheit Frenzy

Fahrenheit Frenzy (やけどに きをつけろ！ lit. Beware of Burn Injury! in Japanese) is the fifteenth level and is the last level of the third warp room in Crash Bandicoot: The Wrath of Cortex.

This level takes in a lab inside a volcano. In this level Crash Bandicoot uses his copter backpack to get through a cave to get to the lab. Inside the lab, there are rooms that can make Crash invisible or show his bones. This level also marks the debut of invisibility crates which turn Crash invisible for a few seconds when spun causing him to be immune to lasers.

Trivia

 * This is one of only two levels in the game to feature invisibility crates, the other being Weathering Heights.