Models unique design: Give people what they want: The feel of real motion mechanics that they can build and bring to action by themselves. Some models are sophisticated versions of real-life mechanisms, while others bring to life the imaginative, elegant and even whimsical designs of the artists. Simple assembly: No glue needed. They can be assembled at home, right on your dining room table. All you need are your own two hands, patience and assembly instructions. Eco-friendly wood materials: Wooden models will last for years and the constructions can be recycled with no harm to the environment. High quality: All UGEARS models are made from high-quality plywood boards, using precision-cut parts. Utilize a high-accuracy, laser cut method to ensure quality. The detailed step-by-step instructions are included with each kit. Educational aspect: Models help people to understand the principles of mechanics, through the self-assembly of motion models. They also contribute to developing logical thinking, enhancing attention and concentration skills as well as improving attention to detail skills. We supply schools, learning stores, and home-school coops. Our focus are toys with an educational component. Our mission is to show that learning is fun and that expanding the mind is the greatest gift one can share. UGears Mechanical Models are self-propelled, mechanical wooden model assemble kits. The true jewel of Ugears new collection of wooden models is an exquisite Mechanical Treasure Box for jewellery and notes. The delicate through-carved work of its lid and sides invites you to gain a glimpse into the mystery that the moving gears conceal. Although only the one who can solve the secrets of the puzzle-box will get to enjoy the treasure of beautiful mechanics in its action. One would imagine that in order to open the box, wed need a key and the key is right there, beautifully embedded in the carved lid. All you need to do to take it out is to slightly turn the key clockwise. Although, getting the key is only a part of the puzzle. To set the gears in motion, before taking the key out, you want to unblock the mechanism that lifts the lid by turning the key counter-clockwise. When all the secrets are revealed and the box is opened, inside you will find a small compartment for jewellery, notes and other small items. You may be sure, your treasures and secrets are safe with the new Ugears Teasure Box. Number of components: 354 Estimated time for assembly: 4-5 hours These designs are inspired by real-life mechanisms. The team believes that building these beautiful working models should be fun. They have dedicated their engineering know-how, meticulous product testing and quality control to a single goal: Ensuring that the models provide an engaging and rewarding experience for the whole family.