Lie down and mark your height with some tape.

Choose one type of object of the same size to use: your shoes, markers, race cars, envelopes, crayons, etc.

Line up the items one by one along the length of blue tape. It's important to practice placing objects end to end without gaps to get an accurate measurement.

Have somebody at home to take a picture for you and click the (+) sign next to the Instruction tab to add your picture and comment.

Count the total number and write a comment: "I am _______ many markers or race cars tall!