Experts Brook and Brian help Marc decide if he should invest in a brain-controlled toy helicopter; a non-toxic, liquid stain repellant; a fetch toy that dogs can control by themselves; or an airbag vest for motorcyclists.

Brook and Brian help Marc vet the claims of four new products: a shirt that claims to change colors as muscles heat up; a non-glue that dries at your command; a robot that clears disaster areas; and a product that hopes to revolutionize prosthetics.