Barbican conservatory jigsaw - create a serene view of London’s hidden gem, The green barbican conservatory, with this jigsaw puzzle. You will get a fantastic botanical garden jigsaw which will be a treat to complete. 500 piece jigsaw - our 500 piece jigsaw is constructed with exclusive material to ensure the highest quality experience. We use thick recycled board that’s a perfect interlocking fit. It measures 61 (H) x 46 (W) cm complete.