Twist, turn, and triumph with the Hanayama Level 4 Cast Puzzle - Hashtag! Crafted by masters Yoshiyuki Kotani of Japan and Kirill Grebnev of Russia, this intricate brainteaser offers a shiny knot of fun and challenge. Encased in robust cast metal, these four interlocking pieces dance in a delicate balance. Your task? Tease them apart and bring them back together to form the iconic hashtag shape, a test sure to delight the logical and the curious alike!

• Designed by top puzzle creators from Japan and Russia
• Features four ingeniously interlocking pieces
• Focused solo play perfect for puzzle purists
• Cast metal construction ensures lasting durability
• Mentally stimulating activity recommended for ages 12