A child birthday party invitation should be fun, cute and interesting. It should give an idea of the fun that kids can expect at the party. Making an interesting invitation would help in ensuring that more kids (and parents) will attend the event.
A child birthday party invitation should have a theme, the same way that the party itself should have one. For kiddie parties, themes like circus, fairies, pirates, princes and princesses are good options. Getting the children to wear costumes is also a fun way to celebrate the special day. The invitation should adopt the theme of the party and give instructions on whether the guests are expected to bring something or wear a particular costume.
Some parents forego the usual cards when it comes to kiddie invitations. Children will be more interested in joining in the fun if they receive special invites like toys, cuddly bears, stuffed dinosaurs, dolls or invitations shaped like airplanes, trucks and balls. If the party has a pirate or a fairy theme, having someone dressed as these characters to take the invitations personally to the kids will surely maximize attendance at the party. Of course, this is only reasonable if the invitees live just around the area where the celebrant resides.
Color schemes for kiddie party invitations should depend on whether the celebrant is a girl or a boy. For boys, colors like blue, green, red and even yellow can be used. For girls, pink is the most common color although other pastel shades can be used. The thing about color schemes when it comes to children

