In the UK these are usually termed out of school clubs or day nurseries for children under 5.



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Note added at 1 hr (2009-01-14 22:49:46 GMT)
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Out of school clubs/services are for school-age children to play and learn and have fun in groups. They are usually based in or near schools and more are being set up to help families where parents work.

Out of school services can be registered with the Office for Standards in Education (Ofsted) and inspected periodically. They are run outside school hours by a team of staff, usually called playworkers. Activities should be planned to help children learn, play and relax with their friends. Playworkers will often pick children up from local schools.

There are different types of out of school services so look around to find one that suits you and your child.

Plus points

children can learn, relax after school and have fun with their friends
geared to the needs of children with working parents

http://www.brent.gov.uk/educ.nsf/vwAllDocs/OUTOFSCHOOLCIS?op...

Ofsted registration
All childminders and day-care providers caring for young children - including playgroups, pre-schools, private nurseries, crèches and out-of-school clubs for under eights - must be registered by Ofsted on the Early Years Register (or in Wales, by the Care Standards Inspectorate). Registration includes a criminal records check on anyone involved in providing childcare and an inspection of the premises to look at health and safety and educational welfare issues. Childcare providers caring for older children (aged five to seven years), must join the compulsory part of the Ofsted Childcare Register.
http://www.direct.gov.uk/en/Parents/Childcare/DG_10028414

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Note added at 6 days (2009-01-21 11:13:07 GMT) Post-grading
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Thanks for the points, BALIC656 - glad to help!