TWIST Cast Metal Puzzle from Hanayama Puzzles of Japan is a delightful and tricky brain teaser puzzle. It consists of a gold colour and silver colour ring The two are joined. Object is to separate the two pieces and then rejoin. Each piece has several strategically placed grooves circulating around.
TWIST newly release in Spring, 2014. Twist measures approximately 3cm in diameter.
This is a really fascinating disentanglement brainteaser. You may find yourself totally immersed into how best separate the two halves. Recommended for ages 12 to 105 years. A few bright 7 to 11 year olds may also enjoy, provided they are aware that forcing the puzzle is NOT necessary and could destroy it.
Rated by the manufacturer as a level 4 difficulty (on a scale of 1 to 6; where 6 is the most challenging.) Level is posted on the bottom left of the packaging. Your own experience could vary substantially. TWIST is part of a series of 40 plus very interesting and mentally provocative metal brain teasers from the Hanayama Puzzle Company. Some serious puzzlers refer to these as "disentanglement-style puzzles" as they involve taking something apart and then re-assembling. Re-assembly can also be a puzzle and may be equally as tricky.
Reminder. NO FORCE is ever required to solve the puzzle. Just a series of clever moves.
This product contains small parts and is a choking hazard so not suitable for children under 3 years old.