Swinging Balls?

Question

ok i want this for my birthday but i dont know what its called heres how i describe it :

its got 4 to 5 balls on strings next to eachother. if you lift the one on the end and drop it when it hits the one next to it, the one on the other end will fly up. they just klink together for a long time. what are those called?

Answer 1

Just ask for money and then get yourself to a toy store or Spenser Gifts, I think they still have them there for under $10.

Their name could be Klick Klacks

Answer 2

They are called "Newton's Cradle".