As packages are shipped by air or land, there can sometimes be a delay of 1-3 days due to weather, holidays, or other unforeseen circumstances. Thank you for your understanding. All packages will be provided with a tracking number, so that you can check the delivery status online at any time. We sincerely appreciate your patience and support, and wish you a pleasant shopping experience , Technical MOC Power Functions Parts Servo Train Buggy Motor IR Remote Control Compatible With 8293 8883 5292 Note: 1 , Use the receiver together with the remote control from us to avoid incompatibility due to different frequencies 2, Lithium battery box is rechargeable 3, AA battery box needs 6 AA batteries, batteries are not included 4, AAA battery box needs 6 AAA batteries, batteries are not included 5, The servo motor cannot connect to the battery box directly, otherwise it will burn 6, It's optional, please choose the right package you need Package Included: Bundle 1 M Motor 8883 or Bundle 2 L Motor 88003 or Bundle 3 XL Motor 8882 or Bundle 4 Servo Motor 88004 or Bundle 5 Lithium Battery Box 8878 or Bundle 6 AA Battery Box 8881 or Bundle 7 IR Remote Control+Receiver or<br> <br> Bundle 8 IR Speed Remote Control+Receiver or Bundle 9 25cm Extension Wire 8886 or Bundle 10 Control Switch 8869 or Bundle 11 Train Motor or Bundle 12 Buggy Motor 5292 or Bundle 13 LED Power Strip 8870 or Bundle 14 AAA Battery Box 88000 or Bundle 15 50cm Extension Wire : None, Is Electric: No Battery Block Size: Micro Building Block、Large Building Block(>1cm), Remote Control: Yes Barcode: Yes, Gender: Unisex Model Number: Technical MOC Power Functions Servo Parts, Type: BLOCKS Brand Name: wishiot, Origin: China Recommend Age: 14+y , Features6: Compatible with 8883 8881 8882 Features1: Illuminate bricks for kids, Features3: Eco-friendly ABS plastic Features4: 8881 8884 8871 8869 Remote Control Battery Box Switch LED Light Pin PF , Features7: Compatible with 8885 8870 88000 Features5: Compatible with 88002 80003 80004, Functions2: Puzzles and enriches the child's imagination and functional ability Product name: MOC Power Functions Parts ,