Get ready to defend your goal!!! Extremely large space required for usage of this game. The Defender Dome is in a circular shape. The object is like dodge ball. Four players at a time try to defend their goal. Whoever stands with out any balls in their goal wins. This game requires liability insurance from your insurance company. A staff member is provided, but volunteers needed to assist with game and signing of permission releases. Persons under 18 years of age need permission from legal guardian. Daily rental. Please call for price quote and availability.