The official Tower Bridge gift shop sits at the end of the exhibition route, after the South Tower and Victorian Engine Rooms on the south bank. It is the only on-site shop, and its range ties directly to what you have just seen: Tower Bridge-branded keepsakes, children’s items including the Tower Bridge Cat, books on London and Victorian engineering, and design-led gifts inspired by the bridge’s architecture. If you want a souvenir that feels specific to the landmark rather than generic central London merchandise, this is the most relevant place to buy it.