Exhibit 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with the Quarterly Report of Planet Polymer Technologies,
Inc. (the "Company") on Form 10-Q for the period ending June 30, 2003 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, H. M. Busby, Chief Executive Officer and Chief Financial Officer of the
Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

         (1)      The Report fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934; and

         (2)      The information contained in the Report fairly presents, in
all material respects, the financial condition and results of operations of the
Company.

Date: August 14, 2003

/s/ H. M. Busby
___________________________
H. M. Busby
Chief Executive Officer and
Chief Financial Officer