Watch marbles zoom down twisting tracks in this thrilling 3D wooden puzzle! Featuring 254 interlocking pieces, this Big Funnel marble run challenges you to build an epic racing course over about 6 hours. Perfect for ages 14+, it strikes the ideal balance between brain-teasing assembly and heart-pounding marble action. Once complete, your creation measures 255x235x185mm—a stunning display piece that delivers endless entertainment. Race against the clock, test your engineering skills, and experience the satisfying rush as gravity takes over. A rewarding build that transforms into an interactive masterpiece.