MRSUN (USA)
Digital Car Message Board
Instead of buying " Support our Troops" or "God Bless America" Stickers write your own message to the screen. It could work two AAA battery and may be Flash disk on it and you can place it at top of the trunk that the people behind you can see the message, to hold the board magnets can work.

Reward: tell me if it is a patent award winner

Return to the Creativity Pool