Mashin Eiyuuden Wataru
Genres: Adventure, Comedy, Sci-Fi
Type: TV, Episodes: 45
Aired: Apr 15, 1988 to Mar 31, 1989
Studio: Sunrise
Source: Original
Rating: G - All Ages
Synopsis:
A 9-year-old boy named Wataru Ikusabe is magically transported to a magical realm of the gods called Soukaizan which he is supposed to save. In his quest to save the realm, he manages to transform a clay sculpture into a somewhat autonomous (small) Super Robot.

(Source: Wikipedia)