Enhance Beyblade X Toy Parts

I’m expanding my Beyblade X line and need a toy designer or mechanical engineer who can hunt down off-the-shelf components—or refine the ones I already have—so the finished top delivers much stronger attacks and impacts in the arena... (Budget: $15 - $25 USD, Jobs: 3D Design, 3D Printing, CAD / SolidWorks, CAD/CAM, Manufacturing Design, Mechanical Engineering, Product Design, Solidworks)