Spin Master's new NinjaBots are cute little killers (updated)
Not every big-eyed robot with a squeeky voice can be Wall-E. Do you remember the old Teenage Mutant Ninja Turtles cartoon from the '80s? Shredder's minions were all featureless humanoid robots, which our heroes could could slice and dice without guilt. At this year's Toy Fair, Spin Master's new …