Train Control Systems KA4-C Keep Alive 1667

Train Control Systems KA4-C Keep Alive 1667

Marsoni

M251S

$29.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Train Control Systems KA4-C Keep Alive 1667TCS Keep Alive (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA4 C will power an HO Scale locomotive with headlights on for approximately 6 to 20 seconds (depending on the locomotive and the efficiency of the motor). This Keep Alive includes a TCS 2 pin "mini" connector with Blue and a Black w White Stripe wire to attach it to a decoder. Dimensions: . 52 x . 52 x

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My dog (15 lb Morkie) loves this toy. It was his gift for Christmas. My little guy is like a child, he gets so excited when he gets new toys. I can’t speak much on durability because my dog isn’t known to destroy toys. But in our case, it’s still in great condition. I love the charging feature. We had a previous toy that required batteries and it was a pain. I keep the charging cord tucked inside the toy pocket so it doesn’t get lost. It’s also motion activated, so if someone walks by it, it will began wiggling. Although I’m starting to wonder if my house is haunted because the toy will turn on by itself.

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Reviewed in the United States on January 13, 2026

Verified Purchase

F. D. Cardwell

Phoenix, US

★★★★★ 4

Amazingly Tough!

Style: Whale

This is one of our pup’s favorite toys, so much so that we always have a couple around. So far, our very-active, very destructive, deaf mixed-breed puppy has only managed to destroy one. And it was the plushie that failed, not the mechanism. Only reason I subtracted a star is that I’ve gotten a couple where the sensitivity is set WAY too high, as in, maybe it’s cosmic rays, setting it off? But other than that, great toy for a dog with high prey-drive.

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Reviewed in the United States on December 21, 2025

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kent williams

Massapequa, US

★★★★★ 5

the dog loves it

our dog loves to tug on this toy. now a favorite!

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Reviewed in the United States on October 9, 2025

Verified Purchase

Dorothea