Piggy Peggy Shadow is the seventh episode in this series. Four-year-old Peggy lives with her mother, father and brother George. But what she likes best is jumping around in the mud. Objects block light because of scientific principles. Light travels in a straight line in the same uniform medium and cannot pass through opaque objects to form dark areas. The formed projection is what we often call a shadow. Generally speaking. Shadow has nothing to do with speed.

Plot introduction

Piggy Peggy mainly talked about pig father, pig mother and George's brother. Have their own characteristics, advantages and advantages. Peggy is a clever and boastful child, and George sleeps. Little boy George likes dinosaurs very much. Mother pig is very gentle. Father pig can eat and sleep. The children especially like this program.