Peterkin is a British company based in Alconbury. Established in 1948, Peterkin UK Ltd manufactures and distributes toys to toy retailers and wholesalers, Key ranges include Dolls World, Brookite, World Peacekeeper military figures and Motor Zone vehicles. Sets of cat and dog figures, called Peterkin classics, are known. Some of their figures use Nayab moulds.
The models are hollow and marked CHINA
The models are hollow and either marked MADE IN CHINA or just CHINA
Side note: The set contains two frogs, however frogs are amphibians not reptiles