Early childhood fun from Scientific Explorer. From the spa products selection. The magnificent manicure kit is for ages 8 and above. Learn about cosmetic chemistry as you give yourself a magnificent manicure. Turn your hands silky soft with crystal mud and then soak them in a sea salt scrub. Create your own custom scent of lotion, buff and shine nails and much more. Custom scent your own spa line. Not to be used without adult supervision.