• High-Quality Material and Perfect Detail - This is a precision engineered DIY kit. This mechanical wooden puzzle uses lasers to cut the high quality plywood into exact component pieces. Prior to cutting the plywood is smoothed to ensure friction-less operation of your Marble Run coaster!
• Realistic design and Amazing Charm - Like a real roller coaster the Marble Run Mechanical Masterpiece is full of surprises. Featuring elegant and mathematically calculated tracks for smooth marble motion!
• Educational Toy and Fantastic Game - Marble Run is a fantastic educational model that provides hours of DIY fun while combining basic learning skills with coordination and organizational skill. 
• Ideal Gift and Fine Ornament - This is an amazing gift for any occasion, providing hours of hands-on creativity and a long lasting, mechanical ornament. 
• Creative Design - Each set is precision engineered, more than a puzzle this DIY kit is a Mechanical Masterpiece! Assembled without the need for glue or chemicals, there's no need to worry about mess or spills! .
• Can Last a Lifetime - Operates without batteries, using kinetic energy though winding of the gears using premium long lasting plywood. 
• Mind Blowing - Great brain teaser that demands attention and looks great as an interactive ornament in any room in your home or office. 

This Kit includes everything you need to complete the Masterpiece including detailed instructions.