Hinged Gift CubeA variant of Oskar van Deventer's original Gift Cube with hinges.
Hinged Treasure ChestA mass produced Treasure Chest with four pieces replaced. The result resembles the Hinged Gift Cube without being identical.
Hole Punch CubeA single hole has been punched out of the center of each sticker.
Hologram StickersThis low quality knock off has stickers which appear to have depth because of the hologram effect.
I-CubeA 3x3x3 with one cut bandaged away.
Idiot's CubeAnother cube with only one colour. This time in grey.
Incomprehensible CubeA physical implementation of (UD', L, Ls, Fs). A 3x3x3 with a coupled pair of edges and two opposing sides coupled.