Search query: marble run without marbles

Product: Music Park 3D Wooden Puzzles for Adults & Teenagers Machine Marble Run Wood Model Building Kits Science Educational Toys for Kids Gift Age14+
Brand: Music Park
Relevance: Irrelevant
This is a 3d wooden puzzle marble track run model.
Turn on the switch, put the marbles, the marbles will automatically rotate along the track, the castle will emit flash of light.
If you watch it roll over and over again for a long time, it might make you feel relaxed.
Dimensions :7.67×5.9×11.22in.
Number of pieces:70pcs
Recommended for age 14+.
About assembly: Easy to install without glue, because it provides detailed assembly instructions and tools (excluding 4 AA batteries),Battery transportation has safety issues, we hope you understand.
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.
This is a circular rolling track marble 3d wooden puzzle model toy,unique DIY hand-assembled marble track model.
With laser cutting technology,no burr,smooth touching,no deformation.with very tight tolerances and good machining.
When you press the motor switch, the balls start rolling down the track one by one, and the light starts to shine around the castle.
The package contains detailed installation instruction in English and tools (excluding 4 AA batteries).It is convenient to assemble without glue.
Nice choice as Birthday Gifts, Christmas Gifts, Thanksgiving Day Gifts, Gifts for Back to School, Valentine's Day Gifts for boys, girls, friends, family members.