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Marble Parkour Big Funnel (LG501) | Hand-Crank Marble Run Display

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
$16.52

Original: $47.21

-65%
Marble Parkour Big Funnel (LG501) | Hand-Crank Marble Run Display—

$47.21

$16.52
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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