Ice Jets are automated booby traps designed by Doctor Robotnik. During his occupation of the Floating Island, Robotnik installed several of these devices throughout the Ice Cap Zone. Anyone travelling underneath one of these traps would be doused in supercold gas that would freeze a target solid. They appeared throughout the Ice Cap Zone in Sonic the Hedgehog 3 and made a brief appearance in the one-shot STC story Splitzoid. Sonic defeated the Splitzoid androids by luring them under an Ice Jet and they were frozen solid.