If you are looking for a way to create a wonderfully fun and unique style for your child's bedroom and he or she is a huge fan of the yellow coloured cartoon spongebob meme character that is known as SpongeBob Squarepants then you should definitely consider creating a theme based on the SpongeBob bedroom furniture and bedding that is available.
When you are looking at transforming a room from a boring or plan space into a rather bold room, there are plenty of things that you need to consider. Think about how old your child is right now and how long you think that this particular theme and décor will be suitable for. You know that eventually you will need to change the design so you might want to think about how radically you change the room. You could opt for just getting bedding and furniture and leaving the walls and carpets in a neutral colour so that it is easy to change up the room if necessary.