Adam Walton and John Rutledge explore the science behind Roald Dahl's stories for children, from the number of balloons it takes to lift Mrs Twit, to the BFG's dream jars.
Discover 11,128,835 listings and 277,916 playable programmes from the BBC
Adam Walton and John Rutledge explore the science behind Roald Dahl's stories for children, from the number of balloons it takes to lift Mrs Twit, to the BFG's dream jars.
Comprehensive News and Sport, the latest information and the best entertainment for Wales.
