Choose a new hobby with these unique 1-locks, they are a great starting point for picking as they allow you to see what is going on inside the lock as you pick. The black cover allows you to practice with your eyes closed and open the lockLearn a useful skill, no longer fear being locked out of your own home. Open your eyes to the illusion of security and understand how you can better protect your home and loved ones. The book is a great way to learn how to protect your home and loved ones.Included visual guide written specifically for this set, the visual guide contains rich illustrations, detailed explanations and instructions for each lock.The perfect gift for budding locksmiths or curious thinkers around you. A fun and engaging exercise for you and your children.