C9 Multicolor Twinkle Glass Bulbs E17 Bases
C9 Multicolor Twinkle Glass Bulbs E17 Bases
C9 Multicolor Twinkle Glass Bulbs E17 Bases
C9 Multicolor Twinkle Glass Bulbs E17 Bases
C9 Multicolor Twinkle Glass Bulbs E17 Bases

C9 Multicolor Twinkle Glass Bulbs E17 Bases


Regular price $13.00 Sale price$9.00 Save 31%
Shipping calculated at checkout.

  • Box of 25 Bulbs
  • In stock, ready to ship
  • Inventory on the way

These vintage style bulbs will not disappoint. Containing 5 bulbs of each of these colors: blue, green, amber, pink and red. Add twinkle lights in quantities starting at 10% up to 100% to add a random animated sparkle to your light display. Our customers have used these twinkle lights to light the following types of events and projects: Christmas Tree Displays, Birthday Parties, Fiesta Celebrations. Install these bulbs in your existing C9 cords with E17 bases or choose new cords from our wide variety of lengths, colors and spacing. Be sure to inspect your cords every season and discard them if you see signs of wear and fraying.


  • Blue, Green, Orange, Red, Pink
  • Incandescent, Glass
  • Sold in Boxes of 25 Bulbs
  • Standard C9 E17 base
  • Heats up under operation
  • Not compatible with all artificial trees
  • Cords sold separately


Please test your lights when you receive them! Everyone is happier when we resolve issues quickly.

Our warranty for all our products is 90 days of normal, seasonal use. If a product is defective or fails during the 90 days following receipt of your order, please contact us right away by replying to your order confirmation email. Please include photos of the issue and a photo of your product item number, if applicable. We will work with you to troubleshoot the problem, and if the issue is not easily and quickly resolved, we will correct the situation.

See our Warranty Policy Page for more information. 


Orders are shipped Monday - Friday. During this peak season, orders are leaving the warehouse in 1-2 business days. We are doing everything we can to process and ship orders as quickly as we can.

Orders are not shipped during the weekend or on major holidays.

See our Shipping Information Page for more information.


Like-new, uninstalled products may be returned for a credit to the form of payment used during checkout. Please reach out to us to request return instructions. Reply to your order confirmation email us via our contact page. Orders must be returned within 30 days of requesting return instructions. After receipt of the return, the amount of the purchase price should be credited within 7 business days.

Return and original shipping charges are not refunded.

See our complete Returns Policy.

Specifications and Dimensions

Glass or LED Incandescent Purchase Separately C9/E17 Cord
Bulb Style Transparent, Twinkle Warm-Up During Operation Yes
Color of Bulbs Multicolor (B,G,O,R,P) Base Size E17 (Intermediate)
Shape of Bulbs C9 Voltage 130 V
Base Finish Nickel Current Draw .08 Amps
Dimmable Yes Power Draw 10 Watts
Bulb Width 1 1/8 inch Bulb Height 2 7/8 inch
Bulb Diameter 1 1/8 inch Potential Lifespan Estimate 1,000 hours
Application Indoor/Outdoor Warranty 90 Days of Normal Seasonal Use
Additional Info 25 bulbs per box Material Glass
Additional Info Double Dipped (2 layers of transparent paint) Additional Info Suitable replacement bulb for standard Christmas Light Cords

Questions and Answers

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Customer Reviews

Based on 13 reviews
Bruce P. (Greene, RI)
Great quality lights, lightning fast shipping

I have made several purchases from Christmas Light Source in recent years and have never been disappointed. I love my seasonal C9-bulb twinkle lights and had grown frustrated in the difficulty finding traditional incandescent bulbs in local stores recently. (No fan of LEDs here) Fortunately, CLS not only has them, but in a wide variety of styles...and the ordering process is simple with shipping that's always spectacularly quick.
Thanks, Christmas Light Source !

Michael (Pittsburgh, PA)

When I tried these indoors they would be off much longer than they were on. They would flash on for a split second and then be off for five or six. Thankfully once outdoors and in colder temperatures, they twinkled at an appropriate pace. I had these outside in NWPA for roughly 2 months. They held up very well, except for the blue which faded way too fast, and may be unusable next year. They still retain most of their blue color, but look very clear when turned on. Options for C9, incandescent, twinkle lights are limited, and these suffice, but could be improved. And they could probably be 7 W rather than 10.

Jack H. (Santa Monica, CA)
twinkle lights

The lights twinkle ok but I wish they came triple dipped as well. My other lights are triple dipped so they don't match. Out of the box of 25 I ordered, four were broken so the packaging is not adequate.

J (Taylors, SC)
Exactly what I needed

Exactly what I needed to add to some led bulbs to add some natural twinkle. All in good shape when arrived.

Richard K. (Newbury Park, CA)
Good...not perfect

Bulbs arrived quickly. One broken...bummer. if the rest work, no big deal. All of the others are undisturbed, strange, but that's mass production???

Jo W. (Torrance, CA)
Just what we wanted

Oue bulbs are perfect. Just what we asked for .

Chad F. (Chicago, IL)

Good product. Fast shipping

John F.W.
Fast Delivery, But...

The right product at the right price despite S&H. Order arrived within a few days. Perfect. I opened the boc and notived small pieces of class and color from the bulbs. Opened the box and two light bulbs were broken.... :-(

Xmas blinkers are 100%

great c9 blinkers, 250 and we are good, these last well and great quality, con, they do break easily if dropped on solid surface but grass area is fine ,love these blinkers

Twinkling Ornaments

I needed to update several non-twinkling bulbs and older paint faded twinkling bulbs. I was happy to find Christmas light source on line. The multi-color bulb packs came in nicely separated packages. I was even able to reuse with extra saved non-twinkling bulbs that i needed to replace. The light are on 12ft Arborvitae trees that appear as twinkling ornaments. I will shop this site for future use, thanks!

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