I open when it rains and help you stay dry. What am I?

I have two wheels, but no engine to whiz around. You pedal with your feet to ride me around the room... or outdoors! What am I? Solve the riddle → You make us from snow and can throw us in winter. What are we? Solve the riddle → I come in sheets with lots of tiny air bubbles. I am used to protect things when they are transported. It's fun to pop me! What am I? Solve the riddle → Which animal is never in a hurry? Solve the riddle → I help you smell and sometimes I run when you are sick. What am I? Solve the riddle →