{"product_id":"crystal-mermaid-terrarium-kit-grow-crystals-light-up-stem-craft-for-kids-ages-6","title":"Crystal Mermaid Terrarium Kit – Grow Crystals \u0026 Light Up STEM Craft for Kids Ages 6+","description":"\u003cp\u003eThis Creativity for Kids Crystal Mermaid Terrarium Kit combines a crystal-growing science experiment with a DIY arts and crafts project. Kids ages 6 and up can mix hot water with the included crystal powder to grow their own coral in as little as 24 hours, then decorate a light-up terrarium with mermaid stickers, sea shells, sand, a squishy starfish, and a buried treasure. The lid lights up with the press of a button (2 AAA batteries required, not included), and glow-in-the-dark stickers and shells add an extra magical effect. It's a hands-on STEM activity that teaches chemical reactions while encouraging creativity.\u003c\/p\u003e\n\u003ch2\u003eWhat's inside the kit?\u003c\/h2\u003e\n\u003cp\u003eThe kit contains a clear plastic terrarium with a light-up lid, ready-to-grow crystal powder, a mermaid figure, a squishy starfish, glow-in-the-dark shells and stickers, colorful sand, and a buried treasure piece. All components are non-toxic and designed for safe use under adult supervision.\u003c\/p\u003e\n\u003ch2\u003eHow fast do the crystals actually grow?\u003c\/h2\u003e\n\u003cp\u003eSimply add hot water to the crystal powder to activate the chemical reaction. Visible crystal coral growth begins within 24 hours—a fun quick result that keeps kids engaged.\u003c\/p\u003e\n\u003ch2\u003eWhat are the terrarium dimensions?\u003c\/h2\u003e\n\u003cp\u003eThe assembled terrarium measures 4.25 inches high by 6.5 inches wide, making it a compact display piece for a nightstand or shelf.\u003c\/p\u003e\n\u003ch2\u003eHow does the light-up feature work?\u003c\/h2\u003e\n\u003cp\u003ePress the top of the terrarium lid to turn on a beam of light that illuminates the underwater scene. The lid also includes glow-in-the-dark stickers that charge during the day and glow at night without batteries for the glow effect.\u003c\/p\u003e\n\u003ch2\u003eIs this kit safe for young children?\u003c\/h2\u003e\n\u003cp\u003eThis product is recommended for ages 6 and up due to small parts and the chemical crystal-growing process. The set contains chemicals that may be harmful if misused; adult supervision is advised. All arts and craft supplies are labeled non-toxic.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrystal Mermaid Terrarium Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCreativity for Kids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerrarium Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.25\"H x 6.5\"W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePress-to-light lid + glow-in-the-dark stickers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 AAA batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrystal Growth Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs little as 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAge Recommendation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 years and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-toxic materials; adult supervision recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDo I need to buy extra supplies?\u003c\/h3\u003e\n\u003cp\u003eNo—everything except hot water and batteries is included. The kit provides crystal powder, decorations, and the terrarium itself.\u003c\/p\u003e\n\u003ch3\u003eHow long does the crystal coral last?\u003c\/h3\u003e\n\u003cp\u003eThe crystals stay intact once grown. They can be kept indefinitely inside the terrarium as part of the display.\u003c\/p\u003e\n\u003ch3\u003eCan the light-up lid be replaced if broken?\u003c\/h3\u003e\n\u003cp\u003eThe product does not specify replacement parts. The entire kit is designed as a single-use craft project.\u003c\/p\u003e","brand":"Creativity for Kids","offers":[{"title":"Default Title","offer_id":58077640524079,"sku":null,"price":27.93,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/4478\/7503\/files\/crystal-mermaid-terrarium-kit-grow-crystals-light-up-stem-craft-for-kids-ages-6-1.jpg?v=1781596852","url":"https:\/\/toysforkid.co.uk\/products\/crystal-mermaid-terrarium-kit-grow-crystals-light-up-stem-craft-for-kids-ages-6","provider":"Toys For Kid","version":"1.0","type":"link"}