Power Functions 4 pcs SET Technic 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 parts About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we''ll make you feel satisfied.