Chuggington Wooden Railway engines & vehicles feature a chunky, colorful design and magnetic couplings that are compatible with other wooden train systems. All engines are peggable, blister packaging. Based on the popular Chuggington character, Calley, a shunting engine, is Dunbar's feisty assistant. She loves to help in any emergency and is like a big sister to the trainees. Age grade 3 yrs+