build a halo energy sword! Published 9 months ago • 9.3K plays • Length 0:21 Download video MP4 Download video MP3 Similar videos 3:13 mega construx halo energy sword 0:14 i made this halo energy sword prop! 9:34 the megacontrux halo sword thingy -- so cool! #toys 0:08 cardboard halo energy sword 0:06 halo elite with energy sword