3D Wooden Puzzles for Adults: 330 pcs 3D Mechanical Wood Marble Run with Roller Coaster Model Kit for Brian Teaser to Build - Christmas Hobbies Craft Kits Puzzles for Adults Home Decor Gifts

UNIQUE & FUN DESIGN: Our Uplike 3D wooden puzzles for adults cleverly combines science and art to build a cool marble run model kit. This “Climbing Compass” puzzle building set is designed with a vertically upward elevator and a downward circling access track with added obstacle design. Turn the handle and the marbles glide smoothly down the track. Interestingly, this marble run roller coaster set can be assembled with the “Twin-hull Elevator” marble run puzzles for even more play to explore! HIGH QUALITY MATERIAL: Our wooden 3D puzzles for adults is made from recycled green wood, polished with abrasive paper, no need to worry about the burrs sticking to your hands! We use 3mm thickened wooden puzzles, each piece is more substantial and durable, not breaking easily. This wooden 3D puzzles mechanical is made with precision laser cutting technology and 10 marbles, no glue and extra tools are needed when assembling the wood craft diy kit, immersive experience smooth assembly process! BRAIN & ABILITY EXERCISE: This cool wooden kit marble puzzles have 330 pieces, comes with detailed illustrated instructions, and can be built in roughly 4 hours with moderate difficulty. Best of all, this mechanical puzzle for adults cleverly incorporates engineering to build a fully functional system of gears and tracks. Brain and hand skills can be exercised while tweaking the marble puzzles. For youth and adults alike, this is simply a brain teaser puzzle for honing problem-solving skills. SPECIAL GIFT & DECORATION: Whether it's a Birthday gift, Holiday gift or Christmas gift this mechanical 3D wooden puzzle model for adults to build is a great value! It will appeal to puzzle enthusiasts, hobbyists, and anyone who enjoys model building, this is simply a work of art made for them. The design of our 3D wooden marble run puzzle is superb, the assembled size is 8.7*9.5*10inch, perfect for office, home, game room and other places as decoration, make life instantly upgraded in style! AFTER-SALES SERVICE: If you have any questions about the process of assembling “Climbing Compass” wood marble run building kits, directly consult the customer service and we will solve your problems quickly. Be careful not to swallow the marbles by mistake, this wooden puzzle is suitable for 14+ teenagers and adults. Uplike wants you to enjoy this super cool 3D wooden marble run puzzle with your family or friends, featuring a excellent design that will bring you endless fun while building. ›See more product details ›See more product details