Vintage 1980's Prime Toys Battery Operated Rap Dinosaurs 12 Inch Dancing Dinosaur - Brand New In The Box - Shop Stock Room Find. Released by Prime Toys in the 1980's as part of their series of Dancing Dinosaurs. This fantastic Rap Dinosaur stands a massive 12 inches tall, he is dressed in his white and green striped jumper and his green dungarees, switch him on and listen to the music, before the dinosaur rap dances to the music he is playing. Brand New Shop Stock Room Find. Discovered in the store room of a closed down shop with a whole load of other items from a similar era. The item has been tested and is in perfect working condition. All orders received before 4.00pm Monday to Fridays are shipped the same day.