Battle System for Toy Characters Including an Expandable Housing

A support structure for a toy character including a base, an expandable housing, a cap assembly, and at least one appendage is provided. The cap assembly includes at least two straps and a band for securing the cap assembly to the expandable housing. The at least one appendage extends from the cap assembly and includes a puncture surface. A rotation mechanism may be mounted to the base and have a receiving aperture sized to receive a portion of the expandable housing and include a lever to direct rotation of the rotation mechanism. The rotation mechanism may further include a rotation member having one or more hooks located adjacent the receiving aperture for securing the expandable housing thereto. The rotation member may be removeable from the base to provide access to the one or more hooks.