California Code, Health and Safety Code - HSC § 12519

“Model rocket” means a toy or educational device that weighs not more than 1500 grams, including the engine and any payload, that is propelled by a model rocket motor, and that conforms to the definition of “model rocket” in the 2013 edition of the “NFPA 1122: Code for Model Rocketry,” or a more recent edition as adopted by the State Fire Marshal.