Special Designed: This Light Kit is Perfect Compatible with Lego International Space Station 21321,Bring the Light to Your Lego 21321, Make it Come to Life.
Easy Installation: Paper Instructions with Specific Detailed Steps in the Box. Please Contact us if You Want PDF Version of Instructions for Reading on Your Digital Devices.(Note that only LED light set. Lego Set is not included.)
During Installation: Please Finish Building Your LEGO Before You Install the Light Kit. Follow the Instructions, Some Parts May Need to be Replaced. Please be Careful of the LED Lights and Its Cable, Do Not Drag and Pull or Bend it.
Omnipotent Customer Service: If You Have any Trouble or Suggestion During the Installation, Missing any Parts or Parts Broken. Please Contact Us. Message You Sent Will be Answered and Taken Good Care with within 12 Hours.