Features: Brand new and high quality This wire customs clearance competition kits is guaranteed to spark curiosity and inspire a love of science for students. Physical circuit kits can well catch kids attention, easy to meet kids project needs. With the physical circuit experiment kits, you can discover the fascinating world of physics and develop your problem-solving skills. Physical circuit kits is ideal for students and enthusiasts of most ages who are interested in physics and electronics. This interesting physical circuit kits is not only can improve their physics-learning skill, but also can improve their hand-on ability. Specifications: Material: Plastic Size: approx 13x10.5x8cm/5.12x4.13x3.15 inches Power: 2x AA Battery (not included) Note: Batteries are not included. Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1x Physical Circuit Kits