Create your own custom neon sign on the spot with these snap-together 2â€ X 3â€ neon letters. Buy individual letters to form your own phrase or statement, connect to the power supply and you’re done. Low heat and low power consumption makes it ultra safe to install and use. Each neon letter is fitted inside a sturdy plastic housing with all electronic components safely tucked away. The letters are ready to power up as soon as they are snapped together and connected to the power supply.