Power Functions 4pcs SETTechnic parts compatible for multi power functions tools servo block train electric motor PF model set building kitsPackage includes:1 - Power Functions Train Motor1 - 9V AAA Battery Box (The battery box requires 6pcs AAA batteries, but batteries are not included.)(Warning: Old and new versions are sent randomly, with the same functionality and slightly different appearance.)1 - IR Receiver1 - IR Speed Remote ControlBattery Box Requires 6pcs AAA batteriesBATTERIES NOT INCLUDED.WARNING:Not recommended for children under 3 years old due to small partsAbout shipping: All items will be shipped within 3 business days after payment is received. Mostly you will receive them within 8-12 days then. The specific delivery time depends on the circumstances. Any questions, please contact us During the shopping process, if you have any questions, please contact us, we will reply to you within 6781 hours, wish you a pleasant shopping Thank you for your cooperation and we will make you satisfied.