What is the world's biggest question? "Is the moon really made of cheese?" No. Bible Investigation for Kids. Answering the World's Biggest Question. Illustrated in an intriguing and humourous way. "Why can't I hit my sister if she hit me first?" No. "Why do I have to brush my baby teeth if they're just going to fall out?" No. No. No. "What must I do to inherit eternal life?" Yes, that is the world's biggest question. "How do I get to heaven? How do I live with God forever and ever and ever?" Find out how Jesus answered this question with a camel, a needle and two rich men!