The LIttle Willie is a development of the Mk I tank. It was constructed in 1915and was the first operational tank prototype.
Despite the problem on the top it is still to recommend if someone wants a model of this vehicle because there are no mainstream companies I can find that produce a model of this kit, even though I saw one from FC Model Trend, which I know even less about that Accurate Armor. This one is Resin while the one from FC Model is 3D printed