3x3x5 Cuboid Puzzle Cube, Stickerless or Sticker Design (Assumed), Non-Standard Shape; Elevate your puzzling expertise with the 3x3x5 Cuboid Puzzle Cube, a premium shape-shifting challenge for seasoned cubers. This isn't a standard cube; it’s a unique 3x3x5 rectangular prism that transforms into an irregular shape when scrambled, demanding advanced spatial reasoning and specialized algorithms to first restore its form and then solve the colors.Crafted from high-quality, non-toxic ABS plastic for exceptional durability and smooth, stable turning, this puzzle is designed for superior performance. It features traditional high-visibility colored stickers for clear distinction. Ideal for solvers who have mastered the 3x3, this cube provides a demanding mental workout and is a captivating centerpiece for any collection.Recommended for ages 12 and up, it complies with strict EU (EN71) and Chinese (CCC) safety standards. Please note it contains small parts, posing a choking hazard for children under 3. For optimal performance, use dedicated lubricants and store in a clean, dry place. Embrace the advanced challenge and enhance your problem-solving skills.