Early Jomon Period (B.C.10000-B.C.3000)
This is the oldest known DOGU from the TOHOKU area of Japan. The shapes of the DOGU from this period are very simple. (unearthed at Neinuma-Ruin AOMORI pref.)
They look like stars.(unearthed at Nukazuka-kaizuka-Ruin MIYAGI pref.)