UGears Mechanical Models are self-propelled, mechanical wooden model assemble kits. 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. Take a step back in time and add an antique flavor to your home or office décor. Meet the cash register, the brand new UGEARS wooden puzzles set. Once assembled, this 3D wooden puzzle box becomes an elegant mechanical moneybox for storing bills and coins.