Click to expand Tap to zoom Bugaboo Donkey3 Duo Classic Collection Extension Set by Bugaboo Save Liquid error (product-badge line 32): -Infinity% $400.00 Aluminum / Dark Navy - $400.00 Color: Aluminum / Dark Navy 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Convert your Bugaboo Donkey3 Mono Stroller into a Duo with this extension set. Includes: seat frame seat fabric canopy bumper bar rain cover