California Code, Public Resources Code - PRC § 15025

(a) “Mercury-added novelty” means a mercury-added product intended mainly for personal or household enjoyment or adornment. A “mercury-added novelty” includes, but is not limited to, any item intended for use as a practical joke, figurine, adornment, toy, game, card, ornament, yard statue or figure, candle, jewelry, holiday decoration, and item of apparel, including footwear. “Mercury-added novelty” does not include a product that contains no mercury other than in a mercury-added button cell battery.

(b) “Mercury fever thermometer” means a mercury-added product that is used for measuring body temperature. Mercury fever thermometer does not include a digital thermometer that uses mercury-added button cell batteries.

(c) “School” means any school used for the purpose of the education of more than 12 children in kindergarten or any of grades 1 to 12, inclusive.