Sid loves his little rolie polie bugs, but they're so little he can't figure out how they move.
Sid brings home a jar from school, filled to the top with seashells. He's determined to guess how many there are.
Sid is troubled . . . he wants to know how to measure a giant blue whale with his ruler.
Sid has quite a collection of science tools in his room but he can't figure out which one is his favorite!
