Power Functions 4 pcs SET Technic parts compatible for multi power functions tool servo blocks train electric motor PF model sets building kits Package included:1 - Power Functions Train Motor 1 - 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 Recevier 1 - 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 , we will reply you within 6781 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.