--- product_id: 20178255 title: "K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy" brand: "k'nex" price: "98.22 DT" currency: TND in_stock: false reviews_count: 13 url: https://www.desertcart.tn/products/20178255-k-nex-thrill-rides-double-doom-roller-coaster-building-set store_origin: TN region: Tunisia --- # 891-piece immersive build 3+ ft towering coaster model Dual coaster cars for double thrill K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy **Brand:** k'nex **Price:** 98.22 DT **Availability:** ❌ Out of Stock ## Summary > 🎢 Build the thrill, own the rush! ## Quick Answers - **What is this?** K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy by k'nex - **How much does it cost?** 98.22 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/20178255-k-nex-thrill-rides-double-doom-roller-coaster-building-set) ## Best For - k'nex enthusiasts ## Why This Product - Trusted k'nex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Impressive Scale:** Build a roller coaster over 3 feet tall that commands attention on any desk or shelf. - • **Certified Like New:** Refurbished and rigorously tested to ensure flawless performance and pristine condition. - • **Double the Excitement:** Two coaster cars race simultaneously for twice the adrenaline rush. - • **STEM Learning Meets Fun:** Perfect for ages 9+, blending educational value with hands-on entertainment. - • **Master the Art of Engineering:** 891 precision pieces challenge your creativity and problem-solving skills. ## Overview The K’NEX Thrill Rides Double Doom Roller Coaster Building Set features 891 pieces to construct a dynamic roller coaster model over 3 feet tall, complete with two racing coaster cars. This refurbished set is tested and certified to perform like new, offering an engaging STEM experience for kids aged 9 and up. ## Description 2 coaster cars equal double the trouble with the Double Doom Roller Coaster Building Set. Build with 891 K'NEX pieces including classic rods, classic connectors, and track that build a model over 3 ft. ## Features - This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box ## Images ![K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy - Image 1](https://m.media-amazon.com/images/I/915UObsISgL.jpg) ![K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy - Image 2](https://m.media-amazon.com/images/I/91VzLiRXY1L.jpg) ![K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy - Image 3](https://m.media-amazon.com/images/I/91qAvNAlP5L.jpg) ![K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy - Image 4](https://m.media-amazon.com/images/I/91JApzKKqJL.jpg) ![K’NEX Thrill Rides – Double Doom Roller Coaster Building Set – 891 Pieces – Ages 9+ Engineering Educational Toy - Image 5](https://m.media-amazon.com/images/I/91-peCwk4UL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Over the course of the past week I have heard laughter and witnessed so many smiles as it brought so much joy to a overworked an *by A***R on Reviewed in the United States on January 1, 2017* Purchased this as a random Christmas gift, as my girlfriend had commented that she never had Knex or Legos as a kid. She instantly lit up Christmas morning, and started working on it. Over the course of the past week I have heard laughter and witnessed so many smiles as it brought so much joy to a overworked and over stressed RN and college student. Last night we both finished it together and watched the roller coaster come to life on our kitchen table! Thank you Knex for a awesome set! Highly recommended for kids of all ages, yes even the adult ones! ### ⭐⭐⭐⭐⭐ Excellent Kit *by K***. on Reviewed in the United States on September 20, 2017* Absolutely awesome rollercoaster kit from K'nex! My 5 year old loves this because he can follow the steps. Occasionally we have to help him snap some of the pieces together (he is only 5), but otherwise he can do it all by himself. The pieces are a bit bigger than the K’NEX Thrill Rides – Infinite Journey Roller Coaster Building Set (we love this too, but the pieces are definitely smaller). These pieces are the same size as the basic K'nex building kit, so it's much easier for little hands. The directions are clear and the final rollercoaster is so cool. And we absolutely love that this kit makes two different rollercoasters. This design definitely deserves 5 stars. Also, so happy that it's made in the USA. When my son's friends come to play this is definitely something that they all focus on immediately. We will continue to buy K'nex! ### ⭐⭐⭐⭐⭐ Fun K'Nex Set *by C***B on Reviewed in the United States on April 28, 2018* This set is so much fun! At first I was disappointed because a few pieces were missing out of the box, but I contacted K'nex and they were GREAT about fixing it. It wasn't too difficult to set up if you've used k'nex (or even legos or other similar building toys) before. I can see how the instructions might be a little tricky at first to get; it is all done in pictures and sometimes it's hard to spot which pieces are the new ones so you can see where to put them. They also will turn the structure in the picture (in the instructions) and not tell you with a symbol or anything so at first that could be a little confusing. But once you get used to the instructions and get it set up it's a great set! There's a motor to make the roller coaster go around just like a real one. Not only will it entertain kids, but my cat loves to try to catch the roller coaster too! lol --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/20178255-k-nex-thrill-rides-double-doom-roller-coaster-building-set](https://www.desertcart.tn/products/20178255-k-nex-thrill-rides-double-doom-roller-coaster-building-set) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-04-23*