[ A Meaningful Gift ] This 3D puzzle toy model kit is space themed, and the packaging is very textured, it's a good gift choice. You can assemble this Marble Spaceport with family, loved one, friends, and classmates, it will develop your hand-eye coordination and spatial thinking skills. ROKR always follows the principle of learning through play, makes people feel the charm of DIY from building 3d wooden puzzles. [ What You Want ] Tools all in the accessory package, you don't need to use glue. The large and detailed instruction manual is easy to identify parts, according to clear steps you will succeed. Plywood material is trustworthy, black-grey wood and acrylic board make the product visually more interesting. Movement trajectory of the ball will give you something to think about physics. ROKR 3D Puzzle for Adults Steam Engine Tractor Locomotive Electric Model Kits LKA01+Marble Spaceport LGC01 【Meaningful Gift】This gift is a good choice for adults on Father's Day, and for children or teens on Christmas. It can allow you to feel the fun of electric steam car model, while exercising hand eye coordination skills during the assembly 3d puzzles process. Whether you are an experienced puzzle player or a beginner, you will find that this wooden puzzle is both challenging and has many benefits 【Tip】The mechanical gears need to be rubbed with wax blocks, which will make them smoother to use. You only need to prepare on your own that two AAA batteries to start the car to move. If you meet any problems during the building process of this handicraft, ROKR will provide you with solutions and guidance.