Explore STEM concepts while building a working Roller Coaster; Using the materials included in this set, middle-school aged children will be engaged and energized as they further their knowledge and understanding of the science, technology, engineering and maths concepts associated with a real-life amusement park ride. The set includes over 500 parts plus a battery-powered motor for a single child or team of 2-3 children to build a working Roller Coaster, plus 2 additional models: a Ramp and a Half-Pipe (each model can be built one at a time). Once built, a downloadable booklet guides students through 3 hands-on, inquiry-based experiments on each of the models. Students will learn about the relationship between time, distance and speed plus much more; The Experiment Guide is aligned to national STEM standards and is appropriate for grade levels 5-9. Size H30.48, W6.35, D40.64cm. Batteries required: 2 x AA (not included) plus . For ages 8 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult.