For LEGO beginners, , . Installation of this light kit should be started only when the LEGO model installation have finished. EXCLUSIVE MATCH This , grafting some LED light bulbs onto your tree house and make it come to life. EASY INSTALLATIONThere is a , you know how important it is. WORRY-FREE . If you need any help, any part missing or broken, our technical team are always there for you. ABOUT SIRODSIROD have 10 years experience developing the best light kits for LEGO models.