Original Design and Perfect Idea: Designer spent half one year to design this item and reform again and again. Its more than just a model its a fully functional movie projector. Made from 100% Basswood it is German precision engineered to within 5 microns to produce this amazing model. Self Assembly No glue and Battery required : This Vitascope is the worlds first battery free wooden assembled 3D Projector. Laser cutting technologyno burrs 183 wood pieces. Environmental FriendlyMade from Basswood Non-toxic. Manufacturered by FQP. Focus and Concentration Improvement: It will take few hours to complete with 183 wood pieces. You can help your children away from phone ipad games via building this model. They will enjoy it and have a great time to finish this project. Of course they will have a sense of accomplishment after completed. Creative Gifts for Kids and Adults: Well-packaged ideal birthday/Christmas Gifts for Boys or Adults who love building things or have the hobby of puzzle. He will love and enjoy this gift. This is a perfect opportunity to interact with your family friends and your partner. Film Projector Take you back to the White and Black World - Rotate the crank for Power supply and the old movie will be playing on. Gear Driven no battery or other tools need.