--- product_id: 474143604 title: "SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors" brand: "sienianline" price: "£14.77" currency: GBP in_stock: true reviews_count: 13 category: "Sienianline" url: https://www.desertcart.co.uk/products/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building store_origin: GB region: United Kingdom --- # 10 vibrant, eye-catching colors STEM-focused skill development 180 precision interlocking gears SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors **Brand:** sienianline **Price:** £14.77 **Availability:** ✅ In Stock ## Summary > ⚙️ Unlock the power of play with every colorful turn! ## Quick Answers - **What is this?** SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors by sienianline - **How much does it cost?** £14.77 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/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building) ## Best For - sienianline enthusiasts ## Why This Product - Trusted sienianline brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Sturdy:** Made from tough plastic to withstand active play and repeated assembly - • **Gift the Genius:** Perfect educational gift that sparks curiosity and engineering passion in every child - • **STEM-Powered Play:** Designed to enhance memory, focus, and fine motor skills through hands-on mechanics - • **Build Beyond Limits:** 180 durable, snap-together gears for endless creative constructions - • **Color Your Creativity:** 10 vivid colors that boost color recognition and visual learning ## Overview The SIENIANLINE Gears Interlocking Learning Set is a 180-piece STEM construction toy featuring 10 vibrant colors designed to develop fine motor skills, hand-eye coordination, and cognitive abilities. Crafted from durable plastic, this set encourages creative building and scientific exploration, making it an ideal educational gift for children aged 3 and up. ## Description Product Description Review: Good quality kids toy - Excellent toy for kids. Good quality pieces, they hold together well and don’t break easily. Nice assortment of colours in the pack too. Review: Cogs - Grandson loves them ## Features - Warning:Not suitable for children under 3 years. For use under adult supervision - Warning:Strangulation hazard. - ★ Includes: 180 Pcs Colorful Gear Interlocking Building Set - Includes 10 different colors (Pink, purple, blue, white, green, yellow and more). - ★ Helps Fine Motor Development: Use your fine motor muscles to snap together and explore your wild imagination! Different every time you build, this versatile, interconnecting gear set fosters imagination and provides opportunities to experiment with simple mechanics and science. - ★ STEM Activities: Improves memory, concentration, manual dexterity, hand-eye coordination, color recognition, sorting, increases attention and focus. - ★ A Fun Toy that Teach: Made of sturdy plastic, our gears are made to challenge motor skills, creativity, and hands-on construction play, so get ready to snap these pieces into place and create something amazing. - ★ Give the Gift of Learning: These colorful blocks are the perfect gift for every little kid, regardless of gender! SIENIANLINE helps you discover new learning fun every time you give a gift! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B4ZVQHQX | | Age Range Description | Kid | | Best Sellers Rank | 14,143 in Toys & Games ( See Top 100 in Toys & Games ) 544 in Toy Building Sets | | Brand Name | SIENIANLINE | | Colour | Pink, Purple, Blue, White, Green, Yellow | | Country Of Origin | China | | Customer Package Type | FFP | | Customer Reviews | 4.4 out of 5 stars 209 Reviews | | Educational Objective | Stacking skills, creative skills, motor skills, shape recognition | | Is Assembly Required | Yes | | Item Dimensions | 32 x 22 x 5 centimetres | | Item Weight | 740 Grams | | Manufacturer | SIENIANLINE | | Manufacturer Part Number | NS-N520K | | Material Type | Plastic | | Maximum Age Recommendation | 120 | | Minimum Age Recommendation | 36 | | Model Name | NS-N520K | | Model Number | NS-N520K | | Number of Pieces | 180 | | Number of Players | 1 | | Operation Mode | Manual | | Power Source | Manual | | Set Name | Gears Interlocking Learning Set | | Size | Medium, Small | | Special Features | Interlocking Gears, STEM Activities Support, Fine Motor Skills Development | | Subject Character | [White] | | Target Audience | Kids | | Theme | Learning and construction | | Toy Building Block Type | Interlocking Toy Building Block | ## Product Details - **Brand:** SIENIANLINE - **Cartoon character:** [White] - **Colour:** Pink, Purple, Blue, White, Green, Yellow - **Educational objective:** Stacking skills, creative skills, motor skills, shape recognition - **Manufacturer Minimum Age (MONTHS):** 36 - **Material:** Plastic - **Model name:** NS-N520K - **Number of pieces:** 180 - **Special feature:** Interlocking Gears, STEM Activities Support, Fine Motor Skills Development - **Theme:** Learning and construction ## Images ![SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors - Image 1](https://m.media-amazon.com/images/I/81ZidsC+yYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality kids toy *by L***K on 2 September 2025* Excellent toy for kids. Good quality pieces, they hold together well and don’t break easily. Nice assortment of colours in the pack too. ### ⭐⭐⭐⭐ Cogs *by J***Y on 13 March 2026* Grandson loves them ### ⭐⭐⭐⭐⭐ Great for SEN & STEM Learning *by S***Y on 18 May 2026* Would recommend for primary aged learners, as well as SEN. ## Frequently Bought Together - SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors - burgkidz 188 Piece Pipe Tube Toy, Sensory Water Tube Locks Construction Building Blocks, Educational Building Learning Toys with Wheels and Baseplate for Kids Boys Girls Age 3+ - TOMYOU Kids 600pcs Set Building Blocks Construction Toy - Learning Playset STEM Toy Set Educational Kit Child Branin Development Preschool Kindergarten Toy --- ## 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/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building](https://www.desertcart.co.uk/products/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-28*