Specifications: Encourages critical thinking by asking you questions before and after doing the experiments. Learn the basic circuit principles and investigate the electricity and magnetism by doing experiments. Easy enough for junior students and kids to explore in advance and get interested in physics science. Type: Physics Science Experiment Material: ABS + Electronic Components Features: Educational Toy, Safe to Operate, Durable Box Size: 33cm x 23cm x 7cm/12.99" x 9.06" x 2.76" (Approx.) Battery Box Size: 8.7cm x 5.7cm/3.43" x 2.24" (Approx.) Switch Size: 7.7cm x 4cm/3.03" x 1.57" (Approx.) LED Size: 7.7cm x 5.8cm/3.03" x 2.28" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of Physics Science Experiment