This amazing Edu Science Kinetics-Kinetic Force Set is perfect for science enthusiasts who love to explore and experiment with kinetic energy and force. With a brand name like Edu-Science, you can be assured that this toy is of high quality and perfect for children over 6 years of age. The set comes in an open box but the item inside is brand new and has not been used before. It is a great educational toy that teaches kids about science and nature in a fun and interactive way. This set falls under the Toys Hobbies, Educational, Science Nature, Microscopes Chemistry categories which makes it a perfect gift for kids who love to learn and play at the same time.