Accessory, Rails Swings & Catches Add-On Set, 8 pieces, NEW

Add even more excitement to your Marble Genius marble run with this accessory add-on set. Featuring 8 pieces including rails, swings, and catches, this set will enhance the fun and creativity of your building experience. Enjoy hours of entertainment! Check out my "Tube" set to bundle shipping. The outer box has some tears and scotch residue, however the inside plastic bag is factory sealed never opened.