In the Ice Age Apocalypse, I Hoarded Billions of Supplies Chapter 903: Upgrading Equipment [+2]

Zhang Yi looked at Lu Keran with great anticipation. "Little Lu, have you come up with any new inventions lately?" Lu Keran pursed her lips, looking nervous yet somewhat proud. She looked at Huahua, who was lying on Zhang Yi's lap, and said, "Huahua, show him!" Zhang Yi curiously lowered his head to look at Huahua. He saw Huahua slowly stand up and stretch. Then, with a shake of its head, a…