Molly is a large, powerful and bright yellow steam engine. She's proud of her strength, but Molly is also very sensitive. She wants the other engines to think the best of her. She finds any conflict very upsetting and steams away to avoid it.
Molly is a Claud Hamilton class 4-4-0.Built in c1900. Built by the Great Eastern Railway at Stratford works and named after the chairman of the company. Two of this class were appointed to Haul the Royal trains to Sandrim.