Jumbo Machinder is the name of a series of large-scale plastic robots sold by Bandai's character toy subsidiary, Popy in the 1970s. Although a trademarked brand name, in common usage Jumbo Machinder is often applied to any large-size robot toy roto molded out of polyethylene terephthalate (PET), a sturdy plastic also used for shampoo bottles. Jumbo Machinders are generally (but not always) 24" in height. After Popy's success with the Jumbo Machinder series, several other Japanese companies, including Takatoku, Nakajima, and Clover began producing large-size plastic robot toys as well. Several of the Jumbo Machinders were retooled for sale in the USA and Europe in the late 1970s as Shogun Warriors.