The Floppy Cube (1x3x3), invented by Katsuhiko Okamoto in 2009, is a minimalist twisty puzzle with 4 corners and 4 centers, offering 192 combinations. Unofficial solves average 2-5 seconds. Only front and back faces rotate, making it easy to solve by aligning one face, then the opposite. A beginner’s gem, MoYu’s versions turn smoothly. Rubikverse.com’s simulator offers a simple, engaging platform to scramble and solve this compact puzzle anytime.