 Some of theoretical basis for the lekotek movement comes from work done by a British psychologist, Elizabeth Newson.Her book "Toys and Playthings, " () discusses the effect of play on child development.In November 2005, the National Lekotek Center launched their new AblePlay website at www.AblePlay.org providing access to authoritative ratings and detailed reviews from National Lekotek professionals on loads of toys and other play products.