Yes the hairy guy is TV presenter James May (alias Captain Slow), he drives people up the wall with his slow cliched vocal delivery, here are the things he's done in the series-
Building a 1:1 scale Spitfire model in the plastic injection moulding style of Airfix kits
Making a garden entirely from plasticine and submitting it to the RHS Chelsea Flower Show
Building a bridge crossing Liverpool's revamped Pier Head canal in Meccano
Creating a life-size representation of the Brooklands racetrack entirely with Scalextric model car track
Constructing a life-size house made entirely from Lego bricks
Creating the world's longest OO gauge train set from Barnstaple to Bideford