These amusing characters were made in Hong Kong. The four red feet and legs can independently swing backwards and forwards. If you pull the figures along by the string they will waddle along, so long as the surface they are on is not too slippery. The figures are also happy to waddle down an incline. It is likely that originally there was a ball on the end of the string. If this was placed over the edge of a table, as the ball dropped, it provided enough pull for the figures to waddle towards the edge.