Recent Toys and Games Nail Jail Brain Teaser Puzzle Nail Jail is Difficulty Level 2 Figure out the complex way to separate the nails from each other Bemuse and amaze friends and family with this tricky 'Mind Muddler'! Puzzle Mission - To hammer your way through this difficult test of the mind? Nail disentanglement puzzle - collect all 4! Difficulty level 2 Travel sized fun!