The museum brings together an array of talented designer makers showcasing a variety of sustainable, eco-friendly crafts and produce.
A chance to purchase desirable and affordable gifts and original artworks.
Picnic refreshments will be available to purchase from the museum's award winning cafe.
Plants and seeds will also be for sale from the Garden Museum Flower Cart and there will be a drop in visit from some of Vauxhall City Farm's animals.
Admission includes entry to the museum's Alan Titchmarsh exhibition.