This Pre-School learning system includes a colourful rucksack and 3 interactive story flip books:-1. Disney Pixar - Cars (reading & mathematics) teaches car facts and parts, numbers 1-10, short vowels, shapes & pre-writing skills. 2. Leap's Big Day - teaches shapes, numbers, abc and colours. 3. Thomas & the School Trip -teaches numbers and counting, vocabulary, shapes & colours, classification, matching, problem solving & opposites. requires 4 AA batteries