ROKR 3D Wooden Puzzle Mechanical Gears Set DIY Assembly Model Kits Wooden Craft Kits Brain Teaser Games Building Set Best Christmas Birthday Gift for Adults & Kids Age 14+(LG502-Cog Coaster)

ROLLER COASTER DESIGNThis Cog Coaster 3D puzzle is like a real roller coaster,after the assembly,the ball can be rolled along the track.These designs are inspired by real-life mechanisms.We believes that building these beautiful working models should be fun.4 kinds of 3D wooden coaster craft kits brings adults back to childhood,and help children enjoy a journey of exploring woodcraft construction.Exciting and educational! FUN AND EDUCATIONALTeens and adults aged 14 and up will enjoy building their own 3d wooden puzzle marble run set.Creating the wooden puzzle model kit is challenging and may take a few hours,depending on your pace and patience.These building sets will draw out and propel your childs ability to plan and build their own structure like a true architect or engineer. EXQUISITE DESIGNThe wooden craft kit is not only functional and fun,but it is designed beautifully,too! Great choice as Thanksgiving Day Gift,Birthday Gift,Christmas Gift,Fathers Day Gift,Back to School Gift,Gift for Boys and Girls,for friends and family members.The mechanical wooden puzzle has decorative designs that look captivating in the finished product.Display a truly unique wooden piece on your desk,shelf or nightstand. ENGLISH INSTRUCTIONWith laser cut technology,pre-cut wooden board will be easy to pop the individual pieces out of the sheets.Utilizing safe and environmentally friendly wood from all-natural trees without any added toxins,even children can safely play with sets.Also the educational toy comes packaged with clear,simple and very detailed English instruction as well as illustrations.Follow the steps shown in the instructions and you will build the wooden art craft set quickly and correctly. FAMILY TIMEThrill the entire family and provide fun and entertainment piecing this DIY wodden puzzle together.Building this 3-D Puzzle Kit can be worthy for the family to complete together.The complexity of this kit will bring families together for hours to create something truly unique to display in their home.Believe us,this is an unforgettable family time,you will be surprised by the childs hands-on talent.This model is also a perfect idea for handyman or anyone who enjoys woodworking.