Description Do you want educational experiment DIY fruit battery potato clock for your children? This item will prepare for you, simple and convenient to use, can improvestudents' hands-on ability, and stimulate students' interest in learning, perfect for home, school use. Features - Color: Assorted color. - Material: Metal. - Size:14.00X6.00X2.00 cm/5.50X2.36X0.79 inch. - Made of high grade material, which is durable, no easy to deformation, funny and wonderful. - DIY fruit battery kit greatly exercising kids' varieties of abilities, stimulate children's interest in learning and curiosity. - It is easy to assemble, greatly improve children's hands-on ability, improve classroom interest. - The good and creative gift for kids and students, children will be happy for that and love it. - Funny and scientific experiment DIY fruit battery, bringing you fantastic experience and fun. Package list: 1 x digital clock with wires 3 x zinc strips 3 x copper strips 6 x clips 1 x RGB LED 2 x wires