Helen, Andy and Barney are joined in the Blue Peter garden by a WWE superstar, and they test out the hottest new gadget - a printer that can print entire objects in 3D. Show more
Discover 11,128,835 listings and 277,865 playable programmes from the BBC
Helen, Andy and Barney are joined in the Blue Peter garden by a WWE superstar, and they test out the hottest new gadget - a printer that can print entire objects in 3D. Show more