64x32 RGB LED Matrix - 5mm pitch : ID 2277 : $49.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com : LED display with WiFi+USB, P10 RGB color sign 40" x 8" with high resolution and new SMD technology. Perfect solution for advertising : Office Products
$48.99 - Full Color RGB LED Matrix Panel - 32x32 - Tinkersphere
P4) LED Matrix Module, Full RGB Digital Pixel Panel Screen with3200 dots, 1/10 Scan, 4500 Nits Brightness For Outdoor Display(Size:320 * 160 mm) – LEDLightsWorld
125 X 15cm Smart Led Signage Scrolling Message Board Rgb Led Matrix Display Green 1-2 Lines - Led Displays - AliExpress
P5 Indoor 64 x 32 RGB LED Matrix Panel — PMD Way
$29.30 - Full Color RGB LED Matrix Panel - 16x32 - Tinkersphere
LED Scrolling Sign for Car, Feytmo Advertising LED Sign, Flexible RGB LED Display ,Programmable, Bluetooth APP , DIY Design Animations,Text, Graffiti LED Matrix Panel for Car, Store, Entrance