Test your brain smarts with this devious brainteaser gems by using only smooth movements. HEX and TUBE Hanayama are the two new 2023 puzzle releases. They are part of a series of 65+ very clever cast metal brainteasers. The object of these puzzles is to separate the pieces. Equally as challenging is re-assembly. Truly solving all Hanayama puzzles means that you actually know which moves take-apart the puzzle and then which moves allow it to be re-assembled. Rated Difficulty is TUBE Level 5; HEX is level 3. Manufacture subjective rating. Your experience could differ. Ratings range from 1 somewhat tricky to 6 most challenging. Hanayama puzzles are excellent brain teasers for ages 12 to 105 years. NO force is required to solve this tricksters. Puzzles are small, pocket size, measuring approximately 1 to 1.5 inches long and weigh approximately 3 to 4 ounces each. Bundled together with 2 Green Velveteen/ Red satin Lined drawstring pouches from Deluxe Games and Puzzles. Pouches measure approximately 4.5 x 3.5 inches laying flat.