Putting funny furniture into a bedroom for children means that they will enjoy being in a comfortable, happy place. Creating the environment for the furniture can be achieved in many ways, including painting murals of animals or action figures, on the wall, as well as fitting bed sheets with their favorite cartoon characters. The options in furniture which can provide a fun feel to their room can be inexpensive to implement.
For instance, in many retro stores it is possible to find bean bag chairs. Remember those? They seem to have a particular appeal to for children. They find it enjoyable just being able to flop down into them and to shift around in the bag of polyester contained Styrofoam beads. A bean bag's rather unstructured form allows it to easily be put just about anywhere in the confines of their room, and make it fit. Other ideas can be found by looking through Creative Re-use stores, or recycle centers. One of my favorite ideas for bedroom furniture for children with an aspect of fun included was to buy bicycle wheels, remove the rubber inter-tube, and attach strings of lights to the wheel. The effect is a quite delightful chandelier for kids.