Electric 3D Wooden Marble Run Puzzle

This electric 3D wooden puzzle is assembled into a moving marble-run machine, combining model building with mechanical and engineering play.Project Features Buildable wooden 3D puzzle Motorized marble-run movement after assembly Supports sequencing, patience, and mechanical exploration Before OrderingReview the piece count, assembled size, power requirements, tools or adhesive needed, estimated build complexity, recommended age, small-parts information, and adult guidance.