【ROLLER COASTER DESIGN】This 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 believe that building these beautiful working models should be fun.
【Best Pastime Toys and Gifts】Create unforgettable times of working experience on the project. This kit is really cool and fun, maybe together with your wife/husband and kids, absolutely beautiful family time. A super awesome bond, great family ties. Wonderful gifts for Adults, Teens, Family, Friends, or Yourself on any occasion like birthday or anniversary.
【HIGH QUALITY】Laser-cut plywood, non-toxic, environmental friendly. The interlocking mechanisms are pretty ingenious. Assembly without glue. Details are already cut ready to assemble. The wood is beautifully smooth. With Laser Cutting Technology, the pieces are easy to remove from the sheet of plywood.