Light Kit for Optimus Prime #10302 (Ver. 2)Supports already assembled LEGO sets with minimal disassembly required. No circuit experience needed, just follow our simple step by step instructions for guidance. Twisted pair design balances robustness and installation concealment. Have your LEGO sets be exciting and soul filled even in the daytime. Two versions: Both versions have the same number of LED lights. Standard Version includes Voice Switch. You can install it at back of nameplate or