Spin Master Yo Gabba Gabba Silly Jumpin Plex Characters make silly sounds when you make them jump up and down YGG Silly Jumpers are small 10" tall feature plush versions of the YGG characters Tap their feet (in a jumping motion) to activate unique phrases and sounds effects The faster you repeatedly tap while a sound is playing, the sillier the sound gets 2 character assortment, 1 per box