Buying a vibrator? Online?

Ok so I know I am wayy too young to have and I don't plan on it anytime soon. But I want to buy a vibrator from walmart. It's online and I just had a few questions. If I buy it and sendbit to my house what are the odds of my parets finding out I bought it? I have a gift card that I can buy things online with. I mean it will cone in a package and I'm normally home when the mail comes. Should I also buy something else an ship it so I can be like yeah mom i just bought some facewash and nail polish lol what should I do?