The 4M KidzLabz Lemon Clock is a fun and educational toy that allows children to learn about the science of batteries by simply adding a lemon. This clock is designed for children aged 5 and up, making it suitable for a wide range of age groups. Made by the brand 4M and manufactured in China, this toy provides a hands-on learning experience for kids interested in science and nature. The use of lemons as a power source adds an element of surprise and excitement to this interactive clock.