Sindy boyfriend Paul was released in 1965, and her younger sister Patch in 1966. Sindy's friends Vicki and Mitzi, and Patch's friends Poppet and Betsy debuted in 1968. Sindy was the best selling toy in Britain in 1968 and 1970. Sindy's success in the 1960s was partly due to the increasing range of accessories, with up to 70% of Sindy's turnover from sales of accessories. Mattel did not greatly expand Barbie's accessories until the 1980s, and this was a significant difference between the dolls. During the 1970s, Pedigree focused on developing more Sindy products and neglected advertising and market research, risking
Mitzi Waltz and Families' Inclusion Development Programmes on working with children and young people with autism. She has written ten books, including three on the autism spectrum and five on other neuropsychiatric conditions. She has published journal articles. Waltz is musician who played bass guitar for the San Francisco group X-tal, UK band out lines off, and currently Periscope Down. She was a zine editor and photographer in the 1980s. Mitzi Waltz Mitzi Waltz is an associate lecturer in autism studies at the Autism Centre of Sheffield Hallam University in the United Kingdom. She is known for research in disability studies and