>>6236245The ones you ordered are attached to the plastic runner("frame") in the same way as other gundam kits. You need to use a hobby nipper or some other technique like shaving or sanding to remove the nubs.
Later kid-oriented kits like recent BBsenshi, Sangokuden, LBX, etc kits use this simplified gates (pic) that allow the parts to be easily twisted off, just leaving a tiny nub-mark behind.
