The following activity is best used with a toy car track (Hot Wheels, for example). It is an activity that takes several days, each day layering on the previous day's activities. Students will get a chance to manipulate variables, measure and collect data, and analyze it. It is a great beginning of the year activity to review and/or introduce the scientific method. Furthermore, teachers can use accommodations to meet the needs of their students.
There is a Spanish version available, check the store.