ROKR 3D Wooden Puzzle for Adults Engineering Mechanical Model Kits,Brain Teasers STEM Wood Toys,Valentines Day/Christmas/Birthday Gift for Adults & Kids Age 14+(Hand-cranked Vitascope)

No Battery RequiredROKR Vitascope is a Battery-free 3d wooden model of small movie projector.Rotate the crank and see how the motor and hand-cranked generator works.No Chemicals,Green Power. Retro Film ProjectorThis extraordinary mechanical model kit can be a small film projector,turning the handle to show 58 frames of film.This projector craft kit imparts a vintage quotient to the ambience.You will send yourself back to the film age.Great choice as Thanksgiving Day Gift,Birthday Gift,Christmas Gift,Fathers Day Gift.Note:Recommended Distance:11inches. Laser-Cut Model KitThis mechanical wooden puzzle toy uses precision laser cutting,high-quality plywood,smooth touching.Pre-cut wooden board will be easy to pop the individual pieces out of the sheets,no glue required.The interlocking mechanisms are pretty ingenious. Detailed English InstructionJust follow the user manual provided in the brain teaser DIY puzzle toy,and you will be able to install it.Assembly time is 5-8 hours,patience is the key to finish all these kits.Feel the pride of DIY assembling this entire IQ toy set-up with your very own hands. Family Time & DecorationThe complexity of this kit will boost your child creativity,building this 3-D Puzzle Kit will bring family together for hours to create something truly unique to display in their home.The 3d wooden puzzle has decorative designs that look captivating in the finished product.Your guests will find it interesting and appealing with the entire setting and visible gear mechanism.