This 64x64 RGB LED Matrix Panel by DFRobot features 4096 individually addressable full-colour LEDs for exciting animated LED displays!
Checkout this 16 x 32 RGB LED matrix panel! They have 512 bright RGB LEDs arranged in a 16x32 grid on the front. On the back there is a PCB with two IDC connectors (one input, one output: in theory you can chain these together) and 12 16-bit latches that allow you to drive the display with a 1:8 scan rate.
LED Dot Matrix Display Module 8x8 x4 MAX7219 4-in-1 For Arduino - Cascading Panel of 4 LED Dot Matrix Modules.
This RGB LED 8x8 Matrix emits red, green and blue light – Capable of being fitted together to make a larger display for scrolling or flashing visuals.
This red LED Tube Display offers integrated common-cathode drivers, as well as cascading and chaining capabilities to connect multiple modules together.
This 8x8 LED Dot Matrix is 38mm long array of 64 red dot pixels in common anode 16-pin format – For creating basic displays or multiplexing experimentation.