Mo. Rev. Stat. § 313.280: Sale of tickets to minors.

No ticket or share shall be sold to any person under the age of eighteen, but this shall not be deemed to prohibit the purchase of a ticket or share for the purpose of making a gift by a person eighteen years of age or older to a person less than that age. The license of any licensee who knowingly sells or offers to sell a lottery ticket or share to any person under the age of eighteen shall be suspended or forfeited as prescribed by the rules adopted by the commission.