Tucoga's room

When you entered the room Tukogi, somebody locked it from the outside. You are trapped. Most likely it is to make your friend, to make fun of you a little bit. But do not forget the spare key that he keeps somewhere in the room. Solve all the puzzles, riddles and puzzles. For some of them this will be a treasured item. If you find yourself stuck, you can ask for your release. All you need is logic and intelligence.