Wash and thoroughly rinse berries and peaches. Peal and slice into 6-8 equal parts. Arrange fruit in a glass pie pan. Add agar agar flakes to juice in 2 quarts sauce pans and bring to a boil. Turn down heat to low and simmer for 5 minutes or until agar agar flakes, stirring occasionally. Slowly pour liquid into the pie pan. Put pan in refrigerator for 4 hours or until firm.