🧠 Get ready to twist your brain into knots! Easily portable for on-the-go puzzling. Challenge yourself with Level 4 difficulty! Just pure brainpower required! Recommended for ages 14 and up. Show off your puzzle prowess with the Crux sticker. 12x7.7x4.5 cm 4-6 pieces 153 g The Hanayama Cast Cylinder Puzzle is a challenging Level 4 puzzle designed for ages 14 and up. With a compact size of 12 x 7.7 x 4.5 cm and weighing just 153 g, it’s perfect for honing your concentration skills. This puzzle includes a unique Crux sticker, making it a must-have for puzzle enthusiasts.