Check the listing for details. Do & Discover by edu science Enviro Battery. Condition: New, Made in China. Listed at 18.00 USD. The Do & Discover Enviro Battery by Edu-Science is a science educational toy designed for children ages 8 and above. The product was released in 2010 and is made in China. It is part of the Science & Nature category within Toys & Hobbies, focusing on hands-on learning activities that help children explore and discover environmental concepts. With its age-appropriate design and interactive features, this toy encourages young minds to engage in fun and informative learning experiences.