LED RGB Strip - Addressable, Sealed, 1m (APA104) - COM-15205 - SparkFun Electronics
These are sealed addressable 1 meter long 5V RGB LED strips that come packed with 60 APA104s per meter.
ALITOVE WS2812B LED Strip 16.4ft 150 LEDs Individually Addressable RGB LED Pixel Strip Lights 5050 SMD Dream Color Digital Programmable LED Lighting Waterproof IP67 Black PCB DC 5V for Decor Lighting
LED RGB Strip - Addressable, Sealed (5m) - COM-12028 - SparkFun Electronics
USB miniB SMD Connector - Ding and Dent - PRT-10272 - SparkFun Electronics
WS2812 Breakout Hookup Guide - SparkFun Learn
RGB LED Chain - 20 LED Addressable - COM-11020 - SparkFun Electronics
WS2812 Breakout Hookup Guide - SparkFun Learn
WS2812 Breakout Hookup Guide - SparkFun Learn
RGB LED Strip - 32 LED/m Addressable - 1m - COM-10312 - SparkFun Electronics
Other LEDs - SparkFun Electronics