Coin Cell Battery Pack with On-Off Switch | Brickstuff
Wire Light LED Strand - 10 Red LEDs + Coin Cell Holder : ID 897 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Wire Light LED Strand - 10 Green LEDs + Coin Cell Holder : ID 896 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Button Batteries/ Coin Cells and Simple Circuits
High End CR2450 Coin Cell Replacement Battery Button Cell Batteries
Coin Battery LED with Switch
Blue LED Dies Rapidly on 9v Battery but OK on CR2032 Lithium Coin Cell - YouTube
10 Warm White Fairy Light LED's on Silver Wire with Replaceable Batteries
Single CR2032 / 20mm Coin Cell Battery Holder with Switch : ID 4856 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: BlueDot Trading CR1620 3v Volt Coin Cell Batteries, All-Purpose Battery for watches, remote control, LED tea light candles, toys, and key fobs, 5 Batteries : Health & Household
AMX3d Jewel LP LED with Coin Cell Battery Holder - 5 Low Profile Jewel LEDs Compatible with Lilypad Arduino Projects - 5 LED Kit with 1 Battery Holder and Conductive Thread, Color Blue - Walmart.com
Button Batteries/ Coin Cells and Simple Circuits
3 Volt Coin Cell Holder | Mini led lights, Battery powered led lights, Diy dollhouse furniture
DIY How To Connect LED with 3V Lithium Battery - Easy Science Project For Kids - YouTube