X0201 42004-01-21 0001138951 LEAPFROG ENTERPRISES INC LF 0001216030 FLOWERS MARK B 6401 HOLLIS STREET, SUITE 150 EMERYVILLE CA 94608 0100Executive VP and CTOClass A Common Stock2004-01-214M0100005.00A103699DClass A Common Stock2004-01-214S01000032.02D93699DNonqualified Stock Options (right to buy)5.002004-01-214M0100000D2001-01-012009-12-31Class A Common10000235645DThe sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 10, 2003.Granted 1/1/00 under the Issuer's Stock Option Plan. Options vest 25% on 1/1/01; the remainder vest at the approximate rate of 1/36 per month as follows: 2,083 options vest at the end of each month commencing on 1/31/01 through 11/30/03; 2,095 options vest on 12/31/03.James P. Curley, Attorney-in-Fact on behalf of Mark B. Flowers2004-01-23