One day, Dad invites Billy into his shed to build something, but Billy soon finds out that he is only allowed to watch. As Dad becomes engrossed in his project, Billy takes Dad's off-cuts and other items from around the yard and shed and gets to work on his own invention, with Dad blissfully unaware At the end of the day, they reveal their creations and Dad discovers that Billy has more skills and abilities than his dad had ever imagined Joining forces, Dad and Billy set out as a team to build a cart together -- the best one yet -- and enter the upcoming local cart race. Just think what they could do Up to Something lovingly explores the development of the father-son relationship. Bonding through doing something they both love and encouraging children to take on new challenges are key here, and are illustrated beautifully. The power of inspiration and creativity, and the importance of nurturing them, are also brought to the fore. This is a lovely story of the importance of letting children grow, and the joy of working together.