Medium 16x32 RGB LED matrix panel - 6mm Pitch : ID 420 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com : AZERONE P10 Led Matrix Outdoor Waterproof Screen 1/4scan SMD3535 3in1 RGB Full Color LED Display Module Panel Board 320x160mm 32x16 Pixels (RGB-Full Color, P10-320 * 160mm) : Office Products
RGB Panel Hookup Guide - SparkFun Learn
Ledmw 32x16 Dot Matrix Rgb Smd Led Panel P6 For Raspberry Pi Display- P2.5p3p4p5p6 Hd Rgb Full Color Video Led Display Screen - Led Displays - AliExpress
RGB LED Panel - 16x32 - COM-12583 - SparkFun Electronics
80pcs Outdoor LED Display P10 Medium 32x16 RGB LED Matrix Panel 12.6" x 6.3" | eBay
Overview | 32x16 and 32x32 RGB LED Matrix | Adafruit Learning System
64x32 RGB LED Matrix Panel (4mm pitch) - DFRobot
DFR0471 32 x 16 RGB LED Matrix - DFRobot | Mouser
32x16 RGB LED Matrix panel (6mm pitch) - DFRobot
10pcs/pack Outdoor LED Display P10 Medium 32x16 RGB LED Matrix Panel | eBay
LED Matrix 32x16 RGB & Ultrasonic Sensor - Hackster.io
Overview | 32x16 and 32x32 RGB LED Matrix | Adafruit Learning System