25-Pice Lock Picking Kit: This lock kit contains everything you need to become a professional locksmith, 12 hooks, 5 tightening keys, 3 transparent practice locks, 4 types of keys. High quality stainless steel picks: These picks are made of smooth, precision stainless steel that is strong enough to open the lock. And those non-slip plastic grips ensure a comfortable grip feeling. Exceptional fun and learning: Lockpicking is not only a fun hobby, but also a valuable skill to bring you home in case of trouble and a good educational tool for children to develop their wits. 4 locks training offer 5 challenges: 1 slot padlock, 1 AB lock, 1 flat cylinder lock and 1 cross cylinder lock (from easy to harder) so you can get the mechanism behind the unlock from the start. Widely used in life: Different lock selection tools are sufficient to try different types of locks. Such as bicycle locks, homes, living room and bedroom doors, padlocks, filing cabinets, and drawer locks."