A nice photo frame or perhaps a toy.

It depends on what age baptism it is. If it is an infancy baptism, a childrens bible or something, but if it is a declaration of faith baptism (the child/teenager/adult) has choosen to express their love and dedication for Jesus, then maybe something a little more meaningful (a 30 day devotional, a piece of jewerllery etc

bibles songs cd or my first bible book for kids

Chain and cross. Get it big, say for a older child so that they can wear it at a later stage in life

50-100. Candles, photo frame

Depends on if you are a God parent or not but something they can keep like a bracelet etc is nice.

I gave my God Daughter a exquisite picture frame of Mary holding baby. Its gorgeous and very warming.

Is it for a boy or girl? For my daughters baptism I really liked the gifts with a bit of a personal touch such as money box, bangle/bracelet, jewellery box engraved with her name. A money box engraved would work well for a boy as well.