Robotime DIY 3D Wooden Puzzle Marble Run Assembly Model Building Block Stem Toy For Kids Adult Color:black length 23 in

length 23 in

Product size (inside): 40 * 100 * 182mm

This artificial Virginia pine Christmas tree is easy to decorate with your choice of lights

APP Support: Android/iOS

suitable for a wide range of events and gatherings

Robotime DIY 3D Wooden Puzzle Marble Run Assembly Model Building Block Stem Toy For Kids Adult Color:black length 23 inAbout this item 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