The RoboMaster S1 can launch soft gel beads. In Washington, D.C. and North Dakota there are restriction requirements for the use of similar products. For example, the products in question can only be used for drama performances, sports competitions, or in qualified shooting environments, where prior approval of the police has been issued. In order to avoid the risk of violating local laws and regulations, the RoboMaster S1 will not be sold in Washington, D.C. or North Dakota. We apologize for the inconvenience and thank you for your cooperation.