The fingertip toy knife is a fun interactive toy, children can learn various tricks and stunts, it is a great tool for developing fine motor skills, hand-eye coordination and spatial perception. Our fidget knife is made of 3D printed high quality plastic, the edge of the blade is smooth and doesn’t hurt your hand. The blade is hidden in the sheath when not in use, when you use it, just flick it and you can rely on gravity and inertia to fling the blade out, be cool in front of your friends!Custom Logo Available.