Looking for Rosie's green eartag number?
Scroll down to find it but don't forget to see what else is on this page...
Do you know how a cow turns delicious green grass into the milk in your glass?
Watch this video to find out...
Well done, you've found it!
Click on the bouncing eartag to head over to the competition page and enter the green number you can see in the middle.
Before you head off though, take a look at what's on this page and discover the answer to the second question this week.
And of course, don't forget to come back each week to find the next missing number - you can enter to win every week!!