Happy Hopperz Blue Dog A bright inflatable Bounce on toy. Super fun and great exercise for young children. Comes in a variety of colours and animal designs. Inflates and deflates in seconds. Can be used inside or outdoors. Happy Hopperz are a collection of bright, inflatable animals that not only rival the space hoppers of the 1970s but take BOUNCING to a whole new level. Created with ears & horns for children to grip on to and feet to steady the bounce, these wonderful animals come in a variety of different styles and colours.