CHILDHOOD MEMORY: Ever dream of being a pilot and fan of amusement park? The 3D puzzle is exquisite replica of self-control plane ride! After assembled, the end result will rotate and play "It’s A Small World" upon windup. MECHANICAL RIDES: When the music plays, the tower will rotate. And the mechanical arm will lift the biplanes up and down. It is so vivid and recalls childhood memory. Best gift idea for boys or girls who love planes or amusement park. NO GLUE NEEDED: The building kit is connected by pins and tails. Laser-cut pieces is easy to pop out and fit well together. The package includes: Clear manual, pre-cut wood sheet, accessories, wax for lubrication, sandpaper. 100% natural wood and sturdy. ENGAGING REWARDING: Putting a mechanism together is challenging and absorbing. It challenges your eye-hand coordination, logical thinking. A must-have kit to enjoy together with family. NEAT DECOR, BEST GIFT: The brain teaser will amaze anyone on any occasion like birthday or Christmas. Most creative gift to keep persons feel absorbed and proud. Once finished, it can be a unique touch to home.