Sip N Sound straw is the amazing sound effect straw! sip! and the farmyard animals burst to life and make their own realistic sound effects for real dinner time fun! the sound box is activated when liquid passes through the straw. Strop drinking, stop the sound! fun never ends! remove the character from the straw for easy cleaning. Enjoy some off straw play for snack time fun! choose from 4 farmyard animals, collect them all!