Metal Puzzle - Puzzle - Brain Game, Brain Teaser Blue. Brain teasers and riddles are fun things to do when you have some free time or just want to tinker with something on the couch while watching TV. Perfect for those who have difficulty sitting still. It means you have to separate the two parts from each other, but it's really harder than you think. It contains different difficulty levels, so it's best to start with the easiest and work your way up. Each kit contains 8 different puzzle pieces. Contains small parts. Not suitable for children under 5 years. Improve your thinking with brain teasers and trivia and have fun. This is the perfect way to spend time when you have some free time or want to be active while relaxing on the couch. Challenge yourself by separating the two parts, it's harder than you think. There are different difficulty levels, you can start from easy and continue to challenge yourself.