{"product_id":"9781338575729","title":"Rocks, Gems and Geodes (Klutz Maker Lab) (Klutz Maker Lab)","description":"\u003cp\u003eThe colourful rocks you explore with this kit will open up the world of earth science and geology. Kick-start your very own rock collection with the included stones. Then use the crystal powder and mold to grow your own geode formation. Conduct experiments such as building a DIY rock tumbler, measuring pH levels, using the Mohs hardness scale, and more.\u003c\/p\u003e","brand":"Klutz Press Inc","offers":[{"title":"Default Title","offer_id":45343260835919,"sku":"00000_00000_00000_00000","price":875.0,"currency_code":"TWD","in_stock":true}],"url":"https:\/\/kinokuniya.com.tw\/ja\/products\/9781338575729","provider":"Books Kinokuniya Taiwan","version":"1.0","type":"link"}