Power Functions 4 pcs SETTechnic parts compatible for multi power functions tool servo blocks train electric motor PF model sets building kitsPackage included:1 Power Functions Train Motor1 9V AAA Battery Box (The battery case is required 6PCS AAA battery, but the batteries are not included.)(Warming note: The old and new versions are shipped randomly, with the same functionality and slightly different appearance.)1 IR Recevier1 IR Speed Remote ControllerBattery Box Need 6PCS AAA BatteriesBATTERIES ARE NOT INCLUDED.WARNING:Not recommended for children under 3 years of age because of small partsAbout Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 812 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 6781 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.