Power Functions 4 pcs SET Technic parts compatible with 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 requires 6PCS AAA batteries, but batteries are not included.) (Warming note: The old and new versions are shipped randomly, with the same functionality and slightly different appearance.) 1 - IR Receiver 1 - IR Speed Remote Controller Battery Box requires 6PCS AAA batteries BATTERIES ARE NOT INCLUDED WARNING: Not recommended for children under 3 years of age due to small parts About Shipping: All items will be shipped within 3 business days after payment is received. Most orders will arrive within 8-12 days. Delivery time may vary depending on location. For any questions, please . We respond within 24 hours. Thank you for your purchase and we hope you enjoy your shopping experience.