Marble Parkour Big Funnel (LG501) | Hand-Crank Marble Run Display
Key Highlights
- DIY marble run 3D wooden puzzle with a hand-crank mechanical drive system
- Features a big spiral funnel, stair-step elevator, and multiple track routes for dynamic marble motion
- Includes a flip-flop switch that guides marbles into two different paths
- A creative gift and hands-on build for puzzle fans, engineering lovers, and hobby builders
Original: $47.21
-65%$47.21
$16.52









Description
Key Highlights
- DIY marble run 3D wooden puzzle with a hand-crank mechanical drive system
- Features a big spiral funnel, stair-step elevator, and multiple track routes for dynamic marble motion
- Includes a flip-flop switch that guides marbles into two different paths
- A creative gift and hands-on build for puzzle fans, engineering lovers, and hobby builders





















