Duluth, MN (NNC NOW) - According to the toy safety group, World Against Toys Causing Harm, toys, like Nerf's N–Force Vendetta Double Sword, and Hasbro's Hulk Gamma Green Smash Fists, have potential serious impact injury risks. The V Tech Explore and Learn Helicopter comes with a 24 inch pull cord, and a potential strangulation injury. For a full list of W.A.T.C.H.'s top 10 worst toys, go HERE