Brain Teasers 3D Wooden Puzzles Wood Marble Run Chain Model Mechanical Building Kit for Adults to Build Unique Gift for Friends and Family (Night City)

⚙ DIY MARBLE RUN MODEL KIT: Excellent 3D puzzles for adults to build. Construct your own working roller coaster model made of sturdy plywood.After finished, you can run marbles through it!
OPERATION WAYS:With the crank of the handle, fire up the gears. There is a shunting device that will let the steel ball go into different tracks, each track brings endless fun. You will learn how the elaborate marble coaster mechanisms come alive.
STEM EDUCATIONAL TOYS: This Brain Teasers wooden puzzles can also be a brain teaser puzzle. It's a highly educational construction experience that satisfied you. Improve your understanding of STEM principles while having a whale of a good time.
☕ NO ADDITIONAL TOOLS REQUIRED: Everything you need to assemble the building toy comes in the box. Simply unbox and start! No additional tools or glue is required.
WONDERFUL GIFT: The 3D puzzles kit is an ideal and creative gift to surprise friends, families for Birthday/ Christmas.A good choice for someone who is DIY lover. It looks great and pretty to show on your table, showcase make your home more beautiful.

	Marble Night City	Luminous Globe	Monocular	Corsac M60	Password Box	Automatic Gramophone
Assembly Time	7 Hours	4.5 Hours	2.5 Hours	1 Hours	4 Hours	10 Hours
Wood Pieces	294 PCS	180 PCS	314 PCS	102 PCS	158 PCS	424 PCS