Check out these plush vibrating pull-string cat toys!   Available in 4 designs:  a Frog, a Shark, a Mouse and a Fur Baby!  (Not quite sure what it is  lol!)   Size approx 10cm.

Vibrating toys are exciting, great fun and help stimulate your cat's natural senses and encourage them to play. Keeps them out of mischief and entertained whilst they chase, juggle, carry and paw them around your home. They are particularly beneficial for indoor cats that require both mental and physical stimulation to keep them fit and healthy.
 
Please Note: This toy is not indestructible, all play must be supervised. Replace toy once worn.
 
Pop one in with your furniture order to save on postage!