he wrote a note to a local builder, jeremy paxton. dear mr.n, i'm worried that my mummy's house does not have a big enough chimney. i'm worried that santa will get stuck. please, can you help? so jeremy paxton's team began creating a santa-friendly chimney for leo's new house. >> that's awesome. >> and santa himself showed up to give it a test run. so here they've got santa and they're rugging him up with a harness to lift him up uses a crane to test out the santa-sized chimney. you see santa doing a little swim move, i've never seen santa do the breaststroke. i've never seen santa do that. but guess what, little leo is on hand, there he is, waving to santa! >> he's so excited. he can't believe that santa is up on his roof. he's like, can you believe this? >> tested out his chimney that he got created. >> fortunately, it looks like it works. >> now christmas morning, little leo is going to know that he's going to have a lot of gifts, because now santa can bring him all these gifts. ♪ >>> this is one thing that you don't want to find tangled in