Numberblocks - Series 3: What's the Difference?

Name: Numberblocks - Series 3: What's the Difference?
Description: Children's animation. Seven shows the others how to be lucky: ask a number friend to jump on your head! But how do you know which friend?

Children's animation. Seven shows the others how to be lucky: ask a number friend to jump on your head! But how do you know which friend?