This interactive workbook, released in August 2010, consisted of 24 puzzles and simple exercises for parents and children can enjoy together. Jack and Holly's Cosmic Comic This included comic book styled stories as well as science facts. It was released in November 2011.A set of children's trading cards 'Swapzees' were available as a free download from the website to accompany the comic. These Christmas themed swap-cards feature all the major characters from the series and are individually rated for 'festive' & 'fun'. Music Jack and Holly's Christmas Top Ten "Jack and Holly's Christmas Top 10" was released on 21 August 2010. The free download album included updated and modernised versions of Christmas classics. Most of the tracks were featured in the Jack and Holly's Christmas Countdown series and were produced by Tom Richardson and Jezz Wright. Tom Richardson was also the Sound Designer for the series. Track 4 was written by Tim Buxton who produced it alongside Jezz Wright. Track listing Jack and Holly Theme Wish You a Merry Christmas O' Christmas Tree Here Comes Christmas Christmas Wrapping (ft. Dj Santa) Jingle Bells (ft. Dj Santa) Snowmen Come and Snowmen Go Snowballs (ft. Dj Santa) Deck the Halls (with Jack and Holly) Sing Song Merrily on High Jingle Bells (Dj Santa's dub remix) References External links Jack and Holly's Christmas Countdown on IMDB 2010s British animated television series British children's animated television shows British preschool education television series Animated preschool education television series 2010s preschool education television series Animated television series about children Animated television series about siblings Machinima works