--- product_id: 334381652 title: "Angle Property of Cyclic Quadrilateral - Geometry -Mathematics - Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - DIY Mathematics Activity Kit" brand: "squaredrop" price: "€ 17.90" currency: EUR in_stock: true category: "Square Drop" url: https://www.desertcart.hr/products/334381652-angle-property-of-cyclic-quadrilateral-geometry-mathematics-brain-boosting-mathematical store_origin: HR region: Croatia --- # Demonstrates 180° opposite angles 15x15x5 cm compact size Stretchable high-quality rubber Angle Property of Cyclic Quadrilateral - Geometry -Mathematics - Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - DIY Mathematics Activity Kit **Brand:** squaredrop **Price:** € 17.90 **Availability:** ✅ In Stock ## Summary > 📐 Unlock the magic of angles—where math meets hands-on fun! ## Quick Answers - **What is this?** Angle Property of Cyclic Quadrilateral - Geometry -Mathematics - Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - DIY Mathematics Activity Kit by squaredrop - **How much does it cost?** € 17.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/334381652-angle-property-of-cyclic-quadrilateral-geometry-mathematics-brain-boosting-mathematical) ## Best For - squaredrop enthusiasts ## Why This Product - Trusted squaredrop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Flexible:** Made from premium stretchable rubber for long-lasting hands-on use - • **Visual Angle Mastery:** Clearly demonstrates the cyclic quadrilateral angle property with 180° opposite angles - • **Proudly Made in India:** Crafted with care by skilled artisans, supporting local innovation - • **Engaging STEM Learning:** Ignites curiosity and builds a strong math foundation for kids 5+ - • **Precision Geometry Tool:** Compact 15x15x5 cm size fits any classroom or study desk ## Overview This DIY mathematics activity kit by SquareDrop is a compact, stretchable rubber teaching aid designed to visually demonstrate the angle property of cyclic quadrilaterals, specifically that opposite angles sum to 180°. Ideal for children aged 5 and above, it supports interactive learning in classrooms or at home, fostering early STEM skills with a durable, India-made product. ## Description Product Description Stretchable Rubber Material Size 15 x 15 x 5 cm, made up of stretchable rubber material which is high in quality and can be used with ohp projectors for the demonstration to students in the classroom or lab. Learning Material For Teachers & Students This angle property geometry activity is a teaching aid material for teachers and students to learn the angle property of cyclic quadrilateral or polygon inscribed in a circle. Creative & Innovative Creative and innovative, this children's mathematics educational activity is for demonstration of the sum of angles of opposite angles are 180 degrees. Learning Kits and DIY Projects SquareDrop is a dealer of math & science learning kits and DIY projects for kids and schools. Made with love in INDIA Each & every product is designed in India with high-quality raw materials by skilled labor. Our Motto We believe in the rule of “Once a Customer, Always a Customer”. ## Features - Mathematical Shapes for learning teaching. - Diameter : 21cm - Geometry - Ignite interest in subject and inculcate a Mathematics attitude. - Made In India Product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08TMBRWFJ | | Age Range Description | 5+ years | | Battery Types | No batteries required | | Best Sellers Rank | #147,682 in Toys & Games ( See Top 100 in Toys & Games ) #10,869 in Learning & Education | | Brand | SquareDrop | | Colour | Multicolor | | Country of Origin | India | | Educational Objective | Shape Recognition | | Is Assembly Required | No | | Item Dimensions | 15 x 15 x 5 Centimeters | | Item Weight | 100 Grams | | Manufacturer | Square Drop Incorporation, 496 New L.I.G, Anandnagar, Bhavnagar-364005, www.squaredrop.in | 9879210606 | | Manufacturer Contact Information | www.squaredrop.in | 9879210606 | | Manufacturer Part Number | SD1058 | | Material | Rubber | | Maximum Recommended age | 60.00 | | Minimum Recommended age | 60.00 | | Operation Mode | Manual | | Packer Contact Information | Square Drop Incorporation, 496 New L.I.G, Anandnagar, Bhavnagar-364005 | | Power Source | Manual | | Size | One Size | ## Images ![Angle Property of Cyclic Quadrilateral - Geometry -Mathematics - Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - DIY Mathematics Activity Kit - Image 1](https://m.media-amazon.com/images/I/61zzNDwuS+L.jpg) ## Frequently Bought Together - SquareDrop Angle Property of Cyclic Quadrilateral - Geometry -Mathematics - Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - DIY Mathematics Activity Kit - SquareDrop Angle Sum Property of Triangle - Mathematics - Geometry Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - Do It Yourself Mathematics Activity Kit - SquareDrop Derivation of Pie Foam - Circle - Mathematics - Geometry Brain Boosting Mathematical Activities for Age 5+ Years Old Kids - Do It Yourself Mathematics Activity Kit --- ## 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.hr/products/334381652-angle-property-of-cyclic-quadrilateral-geometry-mathematics-brain-boosting-mathematical](https://www.desertcart.hr/products/334381652-angle-property-of-cyclic-quadrilateral-geometry-mathematics-brain-boosting-mathematical) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-21*