ROKR 3D Wooden Puzzles for Adults Marble Run Model Building Kit(LGA01 Marble Night City)

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⚡New wooden marble run!Build it with 294 pieces and 10 marbles.The end result is pretty cool.It has a crank that uses large gears to move marbles up to the top of the machine where they roll down into different channels.
😮Different from other wood puzzles,black-grey appearance,metal nameplate and acrylic pieces to make the finished product more visually interesting and allowing the balls to be seen in action more.
📃Great instruction booklet with big and detailed pictures makes it easy to identify the parts and makes the instruction clear.There is one spare parts sheet in case you broke critical pieces all the way through assembly.Also you’ll contact us anytime.
👍It is a great alternative whilst you’ve tired of jigsaw puzzle.This one used to be more advanced. This marble run model will also be put on a bookshelf and imagine that your friends will at all times ask you what it is and want a demonstration.
🎁This STEM puzzle will be outstanding Christmas or Birthday gift for individuals who loves to work with wood and loves a challenge,not only for teenagers,it is going to take around 7 hours’ concentration to assemble properly.