--- product_id: 474143604 title: "SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors" brand: "sienianline" price: "$46.02" currency: USD in_stock: true reviews_count: 13 category: "Sienianline" url: https://www.desertcart.us/products/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building store_origin: US region: United States of America --- # 10 vibrant colors STEM skill booster 180 interlocking gears SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors **Brand:** sienianline **Price:** $46.02 **Availability:** ✅ In Stock ## Summary > ⚙️ Build brilliance, one colorful gear at a time! ## 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?** $46.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/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 - • **Color Your Creativity:** A vivid palette of 10 distinct colors sparks imagination and enhances color recognition. - • **STEM-Powered Playtime:** Boosts fine motor skills, hand-eye coordination, and cognitive focus through hands-on learning. - • **Built to Last, Made for Fun:** Crafted from sturdy plastic to withstand hours of play and complex constructions. - • **Precision Engineering in Every Snap:** 180 durable, interlocking gears designed for seamless building and endless creativity. - • **The Ultimate Gift for Future Innovators:** Perfect for kids aged 3 to 10+, inspiring curiosity and STEM passion early on. ## Overview The SIENIANLINE Gears Interlocking Learning Set features 180 sturdy plastic gears in 10 vibrant colors, designed to develop fine motor skills, hand-eye coordination, and STEM learning through creative construction play. Ideal for children aged 3 and up, this versatile set encourages experimentation with mechanics and color recognition, making it a durable, educational, and fun gift that grows with your child’s imagination. ## Description SIENIANLINE Gears Interlocking Learning Set, STEM Construction Toy Set - Building Kit Toys 180 Pcs - 10 Colors : desertcart.co.uk: Toys & Games 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: Great toy - My son is enjoying the building pieces and has created countless objects with them. The pieces offer hours of fun and are versatile as they stack vertically and horizontally. They also help foster creativity. Lastly, they're quite strong and durable and are affordable, considering what you actually get from the toy. ## Features - ★ 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 | 30,325 in Toys & Games ( See Top 100 in Toys & Games ) 1,068 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 4.4 out of 5 stars (204) | | 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. ### ⭐⭐⭐⭐⭐ Great toy *by H***Y on 11 January 2025* My son is enjoying the building pieces and has created countless objects with them. The pieces offer hours of fun and are versatile as they stack vertically and horizontally. They also help foster creativity. Lastly, they're quite strong and durable and are affordable, considering what you actually get from the toy. ### ⭐⭐⭐⭐ Cogs *by J***Y on 13 March 2026* Grandson loves them ## 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.us/products/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building](https://www.desertcart.us/products/474143604-sienianline-gears-interlocking-learning-set-stem-construction-toy-set-building) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-04-23*