Little Sentinels of the East Sea(1973)

Somewhere along the coast, the little red soldiers Xiaohong and Xiaolong were standing guard. Three spies disguised as People's Liberation Army came to ask them for directions. So, Xiaolong went back to report the letter, and Xiaohong climbed to the horn of the horn where the enemy was going first. While fighting the enemy, she blew the conch to call the police. The People's Liberation Army and the militia arrived in time and wiped out the enemy agents.