Best Seller | MindWare Gearjits Video Projector - DIY Construction Wooden Model - 3D Building Puzzle - STEM Learning for Kids - Ages 12+ Challenge yourself and build an intricate working video projector from beautiful laser-cut wood pieces. This 3D old-fashioned projector is exciting to build and the final product brings the principles of mechanics to life. Just set the system of gears... more | | $49.95 FREE shipping go to store |