Before going to purchase a kids drum kit, it would be necessary for you to establish your needs and figure out whether you need one or not. There are different stores that sell all types of kids drum kits on the internet as well as locally in your neighborhood so its easy to shop for them but you should know which ones to go for and which ones to avoid for which you will have to refer to specialist websites to get specific guidelines.
To some, going for a kids drum kit may be necessary but to others it might just be an option so you will have to weigh your options against your requirements so you can go for an appropriate kids drum kit type that would serve your needs best. So the question, whether you would need a kids drum kit would just have a single answer, and that would be, it would entirely depend upon your individual circumstances.
If you have a music background and you would want your kids to inherit your drumming talent then you may find it necessary to invest in a decent kids drum kit right from the beginning to give them an idea on what it is all about to use drums as a musician.