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. , please feel free to contact us During the shopping process, if you have , wish you a happy shopping Thanks for your cooperation and we''ll make you feel satisfied.