{"product_id":"mindware-keva-contraptions-reactions-planks-178-building-planks-191-piece-marble-run-kit-for-ages-7","title":"MindWare KEVA Contraptions Reactions Planks — 178 Building Planks (191-Piece) Marble Run Kit for Ages 7+","description":"\u003ch2\u003eUnlock Creative Engineering with KEVA Contraptions Reactions\u003c\/h2\u003e\n\u003cp\u003eMindWare's KEVA Contraptions Reactions Planks deliver a free-form, wood-based building experience designed to spark curiosity about balance, geometry, and the basics of physics. Kids can sketch ideas in three dimensions, test them, and iterate as structures rise with satisfying ease—no glue or connectors required. This open-ended play invites exploration, experimentation, and quiet problem solving that fits a busy imagination.\u003c\/p\u003e\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e178 wooden planks for diverse builds\u003c\/li\u003e\n  \u003cli\u003e8 durable dowels to connect components\u003c\/li\u003e\n  \u003cli\u003e2 reaction balls to ignite motion moments\u003c\/li\u003e\n  \u003cli\u003e1 bell and 1 string to add audio cues\u003c\/li\u003e\n  \u003cli\u003e1 bowling pin and 1 toy car for kinetic play\u003c\/li\u003e\n  \u003cli\u003e16-page illustrated idea book with project prompts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for curious minds\u003c\/h3\u003e\n\u003cp\u003eAs children stack and balance pieces, ideas about leverage, symmetry, and geometry emerge. The set’s design supports exploration of architectural concepts and design thinking, offering a tangible way to observe cause and effect in action while keeping play approachable and engaging.\u003c\/p\u003e\n\u003ch3\u003ePlay and learning scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMarble runs with tunnels, ramps, and twists that demonstrate motion and timing\u003c\/li\u003e\n  \u003cli\u003eChain reactions where a marble’s momentum interacts with pins, bells, and other elements\u003c\/li\u003e\n  \u003cli\u003eColorful, one-of-a-kind constructions that highlight creativity and pattern-making\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality and ease of use\u003c\/h3\u003e\n\u003cp\u003ePrecision-cut wood ensures snug, repeatable builds that stack with confidence. The no-glue design makes setup quick and cleanup simple, so kids can dive into a new project or reconfigure a layout in minutes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What ages is MindWare KEVA Contraptions Reactions suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ages 7 and up; suitable for beginner to intermediate builders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the kit and how can kids use it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 178 planks, 8 dowels, 2 reaction balls, 1 bell, 1 string, 1 bowling pin, 1 toy car, plus a 16-page idea book for marble runs and experiments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MindWare","offers":[{"title":"Default Title","offer_id":56929293009278,"sku":"B09J69CHVP","price":98.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1317\/4398\/files\/mindware-keva-contraptions-reactions-planks.jpg?v=1771193788","url":"https:\/\/playvia.co.uk\/products\/mindware-keva-contraptions-reactions-planks-178-building-planks-191-piece-marble-run-kit-for-ages-7","provider":"Playvia | Best-Selling Toys, Games \u0026 Learning in the UK","version":"1.0","type":"link"}