Detailed instructions and after-sales support allow you to modify LEGO Land Rover Classic Defender 90 #10317 smoothly. With low latency PF Motor Kit through mobile phone or operating handle Remote Control, high compatibility.
Our Power Functions Kit includes:

• Step-step modification instructions in PDF format provided.
• New generation motors
• Lithium battery
• Remote Control (supporting mobile phone APP control)
• Modification Accessories.
• Screwdriver bit, USB charging line, metal shaft (not required for all products)

• It is recommended to refit simultaneously during build.
  
• Eco-friendly ABS plastic.
• A Bonus: two alloy shafts, which are rugged and more durable.

What does our set provide for you:

• All refitting accessories are ready for you, you don’t need to worry about not having corresponding refitting parts.
• For questions encountered during the modification process, we provide online question answering services.
• If you find a part problem or failure, don't worry, we will reissue it for you for free.
• Looks really good and much closer to real tumbler than official set.

What need to do in retro fit:

• LEGO's original instructions, you can also download the electronic version from LEGO official website.
• We provide an electronic version of the manual. Because some steps need to follow LEGO's, our manual will prompt you to go back to LEGO's manual.
• Browse through the entire manual in advance, check the accessories, and the motor.
• Be patient and challenge.

Why don't use LEGO accessories:

• Requires the use of some discontinued LEGO parts, costing over $100 for bare parts.
• LEGO is not good at making motors and batteries, which is reflected in the torque and speed of the motor, as well as durability and cost.

What to get from this special gift:

• The personalized set, the fun of modification brought by the cool and interesting mobile set.
• The thinking experience of mechanical transmission.
• the sense of accomplishment after completion, etc.