Robotime DIY 3D Wooden Puzzle Marble Run Assembly Model Building Block Stem Toy For Kids Adult Color:red making them a standout choice

making them a standout choice for casual or dressier occasions

recording without flash

Technical Parameters:

You can leave the buttons undone for a more relaxed and casual style or button them up for a refined and put-together look

Suitable for all kinds of household environment

Robotime DIY 3D Wooden Puzzle Marble Run Assembly Model Building Block Stem Toy For Kids Adult Color:red making them a standout choiceAbout 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