Power Functions 4 pcs SET<br> Technic parts compatible for multi power functions tool servo blocks train electric motor PF model sets building kits<br> Package included:1 - Power Functions Train Motor<br> 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.)<br> 1 - IR Recevier<br> 1 - IR Speed Remote ControllerBattery Box Need 6PCS AAA BatteriesBATTERIES ARE NOT INCLUDED.WARNING:<br> Not recommended for children under 3 years of age because of small parts<br> 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.<br> Any questions, please feel free to contact us<br> During 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 shopping<br> Thanks for your cooperation and we'll make you feel satisfied.