Final answer:
Suzie's Easy Bake Oven, John's Tonka Riding Mower, and the mini grocery carts at Wegs are appropriate for the preschool stage of development according to Erikson.
Step-by-step explanation:
According to Erikson, the appropriate stage of development for Suzie's Easy Bake Oven, John's Tonka Riding Mower, and the mini grocery carts at Wegs is the preschool stage. This stage occurs between the ages of 3-6 years and is characterized by the task of initiative versus guilt. In this stage, preschool children are capable of initiating activities and asserting control over their world through social interactions and play. By learning to plan and achieve goals while interacting with others, preschool children can develop self-confidence and a sense of purpose.