Children's parties

Party ideas & advice
Confetti
(10 party theme ideas)
Kids-Party
(more good theme ideas & advice)
KidsPartySurvivalGuide
(US site with comprehensive advice about organising a children's party)
ByParentsForParents
(suggestions & ideas from other parents)

Party games
KenTew'sPartyGames
(lists 20 or so good old fashioned party games)
PartyDirectory
(has a good list of relay races and games kids can play in a circle)

Make your own invitation
MyCardMaker
(fantastic, easy to use free tool for making your own printable invitations.  Takes a few minutes to load.  Choose a 'Birthday Party' template)

Personalise the cake
CakeToppers
(send them a photo and they'll send you edible icing with the picture on it!)

Party supplies

(massive range)


(great selection of craft kits ideal for parties)
GreatLittleParties
(very easy to use site)
KidzCraft
(for kits to use at a kids' craft party)
ThePartyStore
(pre-filled or create your own party boxes)
PartiesInTheBag
(Specialists in pre-filled themed party bags.  21 themes at just £1.60 per bag.  Phone to order)
PartyBags4Kids
(lovely selection of bags & fillers for you to pick 'n' mix)

Hire a venue/organisers
Bounce-a-lot
(directory to help you find a local bouncy castle hire firm)
SuperKarts
(ideal for older kids)
Eventuous
(contact details for Eventous - a company you can hire to organise everything for you)