The Hands On! Europe Association of Children’s Museums (HO!E) is an international professional organisation representing and advocating for its non-profit member institutions. Membership ranges from children's museums, to large collection-based institutions dedicated to serving young visitors through a variety of interactive exhibits, to groups that are in the planning phases of opening a children's museum. Membership is also open to corporations, consultants, and individuals, although HOE! does not endeavour to represent the specific interests of these members.
HO!E provides its members with information about developments in the field and professional practices. HO!E strives to be an effective voice for children’s museums at a public policy level.
HO!E actively stimulates the creation and development of children’s museums and more space for cultural and educational activities for children and young people.