Are there any restrictions for children at Madame Tussauds Las Vegas? Madame Tussauds Las Vegas is suitable for all ages. Related articles How old must you be to enter the attraction unaccompanied? Do I have to pay for an under 2? What are your ticket prices? How long does it take to go around Madame Tussauds? How do I get to Madame Tussauds Las Vegas by Car?