Ultimate Secret Formula Lab brings the unique experimental station that lets kids fizz, change color, disappear liquids, crystallize, defy gravity and more! Bigger, better, crazier! Young mad scientists' favorite kit now has a deluxe edition - Ultimate Secret Formula Lab Science Kit. This Smart Lab hands-on science set for children offers materials, tools and instructions for 40 fun science experiments. Create the supernatural breathing marshmallow, a CO2 detector, magic crystal splinters, and..