Are Face Masks Required? Accessorize! Face masks are recommended during your visit but not a requirement. Related articles What items cannot be taken into Madame Tussauds? How long does it take to go around Madame Tussauds? Are there any restrictions for children at Madame Tussauds Las Vegas? How old must you be to enter the attraction unaccompanied? Where do I redeem my BOGO/discount coupon online?