This set is very suitable for beginners who want to improve their lock picking skills and who always lose their keys. Of course, it is an ideal gift for children who are interested in structure and science. Two different types of locks are included, giving you the opportunity to practice different types of locks. Features: 15-piece worship set with a practice lock included, all-in-one set contains all the tools you need. Padlocks with transparent structure help you better understand the mechanism behind the locks. The worshipers are made of stainless steel and the lock is made of acrylic, durable and sturdy for long-term use. Two different types of locks are included, giving you the opportunity to practice different types of locks. Carrying bag is included for easy storage. Ideal for beginners and professionals. Specifications: Material: Stainless steel (worshipers) & Acrylic (Padlock) Package size: 28 * 20 * 6cm 11.0 * 7.9 * 2.4in Package weight: 330g 12.1oz Package list: 2 * Padlock 4 * Keys 1 * Storage Bag 15 * Worshippers