Put together your own custom Omnitrix, with the Ben 10 Ultimate Alien Legacy Omnitrix. The ultimate set for fans of Ben 10, this Ben 10 Omnitrix kit has 35 Omnitrix parts for you to mix & match your own wrist-mounted Omnitrix. Recreate the original Omnitrix from the first series of Ben 10, the Ultimate Omnitrix from Ben 10 Alien Force, & the new Ultimatrix from Ben 10 Ultimate Alien. You can also mix & match parts from all three units, to create your own custom Omnitrix Once youve assembled your Omnitrix, activate the glowing light effects to see the Omnitrix symbol light up. Ben 10 Ultimate Alien Legacy Omnitrix is a great imaginative play set for fans of Ben 10. Please note Only one light-up Omnitrix can be assembled at once. Age 4 years Features Ben 10 Omnitrix kit Recreate all 3 Omnitrixes Create your own custom Omnitrix Light-up effects