Five picnic baskets. In "Fat Goose Gym NS", when the player reaches NS4 level, he can get a picnic basket by synthesizing the physical fitness index. Specifically, players need to synthesize their physical fitness index to full level in order to get five picnic baskets. Fitness index is a prop in the game of Fat Goose Gym. Through synthesis, players' physical fitness level can be improved, and at the same time, they will get certain rewards. When the player's physical fitness index reaches full level, he will get 5 picnic baskets as a reward.