Ed and Oucho's Excellent Inventions - Series 2 - Horologelator

Children's science series in which Ed and his cactus companion Oucho travel all over the country making inventions from bits of old rubbish that they find in the back of their van. Ed and Oucho attempt to build the most difficult invention ever - a time machine. Ed wonders why they've agreed to build Oscar's Horologelator, when everyone knows that time machines are very, very difficult to build. After learning about dimensions and worm holes, will Ed and Oucho figure out how Oscar will get to fulfil his dream and meet Henry VIII?