GAMSEBO drop-shaped glass, LED bulb E27 16 lumen, 64 mm - IKEA
3D Decoration LED Light Bulb Vintage Star Fireworks Night Lamp Light Christmas | eBay
KYTD 3D Fireworks Decorative Light Bulb E26/E27-4.8W 120V Dimmable Light Bulb(Warm,Cold and Neutral Firework Light), 3 Color Choices for Bedroom,Party and More - - Amazon.com
IKEA UK Support on Twitter: "@the_katstar Hi Kathryn, as far as I am aware those pendant lights (not the glass light shades) are not sold by us - can you please advise