"At first, we used real shells from hen's eggs, but found that when sales of the magic egg took off, we simply couldn't obtain enough eggshells," relates Chen. He therefore decided to use imitation eggshells. However, there remained the challenge of how to manufacture artificial shells that would not break too easily yet still allow the scarlet runner bean sprouts to pierce them.
「一開始我們使用真的雞蛋殼，沒想到魔蛋的銷量激增，實在找不到那麼多蛋殼，」陳振哲於是用假的蛋殼替代，但要如何製作出既不易破裂、又能讓鳳豆破殼而出的蛋殼，卻是一大考驗。