从一枚鲨鱼牙齿出发，把捕猎、浮力与软骨的知识变成亲手完成的发现
Océan: Découpes et animations pour explorer le monde marin
Otters vs. Badgers
Escape from Mr. Lemoncello's Library
Anaximander: And the Birth of Science
LEGO Gadgets (Klutz Science/STEM Activity Kit) 10.25" Length x 0.75" Width x 10" Height
Bug Bonanza! (Ada Twist, Scientist: Why Files #4) (The Questioneers)
