Add these wooden trays to any of your Quadrilla marble run and make your life easier catching those speeding marbles! Quadrilla Marble Catchers 2 Wooden Trays Set is a terrific accessory from Hape that can complete any Quadrilla building set. Keep your marbles close at hand with these precision-crafted wooden trays. All Quadrilla building pieces are interchangeable. You can buy these marble catching trays from Educational Toys Planet and use it with any marble run from Hape.