UK

House on the hill toy museum
Stansted Mountfitchet, Essex.[Link]

Ilkley toy museum
Ilkley, West Yorkshire. [Link]

Pollock's Toy Museum
Scala Street, London. [Link]

V&A Museum of Childhood
Cambridge Heath Road, London. [Link]

Brighton Toy and Model Museum
Trafalgar St, Brighton, East Sussex. [Link]

World-wide

Yokohama Tin Toy Museum
Yokohama, Japan. [More]

Brooklyn Toy Museum
Brooklyn, New York, USA. [Link]

Marx Toy Museum
Moundsville, West Virginia, USA. [Link]

World's Largest Toy Museum
Branson, Missouri, USA. [Link]

Tin Toy and Doll Museum at Karasuma
Karasuma, Japan.[Link]

Nuremburg Toy Museum
Nuremberg, Germany. [Link]