This nifty Star Wars Death Star/Darth Vader Transformers from ThinkGeek changes from one form to another with just some twisting and pulling. Video after the break. Click here for first picture in gallery.

And don’t be content to with just the transformation – this toy is loaded with bonus features. Tons of sound effects and lights in both modes will fascinate and delight you. Heck, when in Vader mode, he even knows which weapon he’s holding in his right hand, and the sound effects adapt accordingly