Boboric's Holiday: Stage 2 (Rainbow Readers)

Boboric is going on holiday with his family. A soldier stops them, he is looking for the Emperor’s gold and he finds it inside Boboric’s bag, but Boboric says he is not the thief. The Emperor wants him to go to the Coliseum and fight with three Roman gladiators. Surprisingly, Boboric is the winner. How did it happen? Is Boboric the real thief?