Marble Night City is an intricate 3D wooden puzzle that showcases an effective engineering design. Full of twists, turns, and spirals, this marble run is a thrill to watch! It is run completely by mechanical means, no battery or electricity needed. Marble runs incorporate various engineering mechanisms, such as turning cogwheels and spirals. Stimulates creativity, focus, fine motor skills, and patience. 

[HIGH QUALITY] The pieces of our marble runs are laser-cut from sheets of safe, non-toxic plywood for a precise fit. Each marble run comes with 10 steel marbles.

[ALL TOOLS INCLUDED] This kit comes with all the pieces needed to build the Marble Night City marble run, including sandpaper, wood glue, wax, and hardware.