Modular marble run

A customizable marble run. The model includes basic track pieces, pieces to raise the track, a grid to keep everything in place, and a 14mm marble, although you can buy plastic ones. The largest grid (7x7) is designed to fit in an A1 mini. Get creative and share your tracks! ;) Track pieces:StraightRampCurveStraight tunnelCurve tunnelRamp tunnelTrack endBowl/funnelThe bowl/funnel piece hasn't been tested. Grids:3x3 (7.5cm x 7.5cm)5x5 (12.5cm x 12.5cm)7x7 (17.5 cm x 17.5cm) Raisings:1cm2cm3cm4cm