'Number Jacks Sticker Scene Book'. A4 size activity book starring the cBeebies favourites, the Numberjacks. A great book for nursery/pre-school aged children learning their numbers. Add stickers to bring the Numberjacks' world to life, inside their sofa or out and about. Help the Numberjacks save the day, and enjoy lots of creative fun along the way! Rrp £3.99.