--- product_id: 76814541 title: "Osaurus Rex Building Set, Multi Color, ?7 Years and up Pack of 255 Pcs" brand: "k'nex" price: "£132.82" currency: GBP in_stock: true category: "K'nex" url: https://www.desertcart.co.uk/products/76814541-osaurus-rex-building-set-multi-color-7-years-and-up store_origin: GB region: United Kingdom --- # Downloadable step-by-step instructions 255 vibrant interlocking pieces Battery-powered motorized movement Osaurus Rex Building Set, Multi Color, ?7 Years and up Pack of 255 Pcs **Brand:** k'nex **Price:** £132.82 **Availability:** ✅ In Stock ## Summary > 🦕 Bring the Jurassic Era to your desk — build, move, and conquer! ## Quick Answers - **What is this?** Osaurus Rex Building Set, Multi Color, ?7 Years and up Pack of 255 Pcs by k'nex - **How much does it cost?** £132.82 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/76814541-osaurus-rex-building-set-multi-color-7-years-and-up) ## 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 - • **Dynamic Dino Action:** Watch your creations come alive with a battery-powered motor that adds thrilling movement to your models. - • **Dual Model Experience:** Includes instructions for two distinct dinosaur builds, doubling the excitement and creative possibilities. - • **STEAM Learning Meets Play:** Ignite curiosity and develop critical STEM skills through hands-on engineering and problem-solving fun. - • **Jurassic Creativity Unleashed:** Build your own motorized Osaurus Rex and Megasaurus with 255 colorful pieces that snap perfectly together. - • **Built to Last, Designed to Inspire:** Crafted from durable plastic with a lifetime warranty, this set is a timeless addition to any young builder’s collection. ## Overview The K'nex Osaurus Rex Building Set features 255 multicolor plastic pieces designed for children aged 7 and up. This motorized construction kit includes parts and downloadable instructions to build two dinosaur models—the Osaurus Rex and Megasaurus—promoting STEAM learning through creative play. Powered by 2 AA batteries, the set encourages hands-on problem solving, hand-eye coordination, and engineering skills, all backed by a lifetime warranty. ## Description Bring the Jurassic Era to life in your home! The K’NEX Beasts Alive Building Set offers you and your children a chance to experience the amazing world of dinosaurs by creating your own.Build a K'NEXosaurus Rex with the 255 vibrant parts and pieces included in this set. All parts are well-constructed plastic. The package also includes iconic rods and connectors that snap together to make customizable figures.Children can also make alternative Beasts Alive structures with this set. It includes an additional model for a Megasaurus dinosaur. Enjoy playing with them with friends anytime you want!The K’NEX Beasts Alive Building Set also includes a battery-powered motor to operate the structures. Watch your dinosaurs come to life!This building set also has downloadable step-by-step instructions for two motorized builds. Each STEAM toy kids can make is designed for a more exciting playtime.Promote your kids’ development of STEAM (science, technology, engineering, arts, and math) concepts by igniting their natural curiosity and creativity. Building with K’NEX puts children on the path to a fundamental understanding of STEAM subjects. Let them design, construct, and customize their own K’NEX Beasts Alive structures and enjoy hours of fun playing with them. ## Features - Includes 255 classic K'nex pieces - Includes instructions to build a second model, megasaurus ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B010TFNO26 | | Additional Features | Motorized Movement | | Age Range Description | 7-15 years | | Best Sellers Rank | #320,512 in Toys & Games ( See Top 100 in Toys & Games ) #5,333 in Toy Building Sets | | Brand | K'nex | | Colour | Multicolor | | Country of Origin | USA | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.4 4.4 out of 5 stars (97) | | Educational Objective | Creative Thinking, Hand-Eye Coordination, Problem Solving Skills, STEM, Team Building Skills | | Global Trade Identification Number | 00744476155887 | | Included Components | 255 parts; instructions | | Is Assembly Required | No | | Item Dimensions | 38.1 x 5.1 x 27.9 Centimeters | | Item Type Name | Building Set | | Item Weight | 1.28 Pounds | | Manufacturer | K'nex | | Manufacturer Part Number | 15588 | | Manufacturer Warranty Description | Lifetime warranty against manufacturer's defects | | Manufacturer recommended age | 7 years and up | | Material | Plastic | | Model Name | rex building | | Model Number | 15588 | | Model Year | 2021 | | Number Of Pieces | 255 | | Number of Batteries | 2 AA batteries required. | | Number of Packs | 1 | | Operation Mode | manual | | Set Name | K'nex Osaurus Rex Building Set | | Subject Character | Dinosaur,Dinosaurs | | Target Audience | Children aged 7-15 years | | Theme | Building,Dinosaur | | Toy Building Block Type | Interlocking Toy Building Block | | UPC | 796890175538 744476155887 | ## Images ![Osaurus Rex Building Set, Multi Color, ?7 Years and up Pack of 255 Pcs - Image 1](https://m.media-amazon.com/images/I/81xZiLnVSBL.jpg) ## Frequently Bought Together - K’NEX Beasts Alive – K'NEXosaurus Rex Building Set – 255 Pieces – Ages 7+ Engineering Educational Toy - Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems - Thames & Kosmos Gumball Machine Maker Lab - Build Machines with Physics & Engineering Lessons | 12 Experiments | Make Your Own Gumball Machines | Includes Gumballs | Award Winner --- ## 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.co.uk/products/76814541-osaurus-rex-building-set-multi-color-7-years-and-up](https://www.desertcart.co.uk/products/76814541-osaurus-rex-building-set-multi-color-7-years-and-up) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-09-29*