V&A Museum of Childhood

Cambridge Heath Road London E2 9PA
020 8983 5200

Tube : Bethnal Green
Borough : Tower Hamlets
Free

http://www.vam.ac.uk/moc/

Craft activities for kids during school breaks - but usually quite popular. From experience 3pm is a good time to come queuing (shorter!)

Tower of London

EC3N 4 - 0844 482 7777

Tube : Tower Hill
Borough : Tower Hamlets

http://www.hrp.org.uk/toweroflondon/

A quick visit would last at least 2h30. Special programme from time to time.
If weather permitted there are benches along the river Thames to get a nice view on the Tower Bridge also (Starbucks coffee with bathrooms nearby!)

Old spitalfields market

Old Spitalfields Market London E1 6AA

Tube : Aldgate East - Shoreditch High Street
Borough : Tower Hamlets

http://www.visitspitalfields.com/map.html

Nice restaurants - concepts of easy/fast take aways - grab a bite :
SquarePie - Pies - http://www.squarepie.com/
Androuet - Cheese plates - http://androuet.com/ -
Leon - International cuisine - http://www.leonrestaurants.co.uk/

Nice when walking around London City