Engineered for learning fun, this open-ended craft is a smart way for students to express their creativity while learning about basic STEM concepts. Designed to challenge students to create their own version and enable thought-provoking questions such as, "How far will the car go?" and "How does extra weight affect the car?". Students simply decorate, build and test their balloon-powered car. Includes wooden dowels, straws, balloons, rubber bands, and styrofoam, paper and foam pieces. Makes 10. Each car is 2 3/4" x 5". Tape or glue required, not included. Simple assembly required.