{"product_id":"bob-leatherbarrow-creating-with-crackle-4th-11th-18th-25th-november-2026","title":"Bob Leatherbarrow - Creating with Crackle - 4th, 11th, 18th, 25th November 2026","description":"\u003cp\u003eIn this four-session masterclass, Bob will share his pioneered technique of crackle textures with kiln-formed glass powders. Starting from the foundations and advancing to complex designs and compositions. \u003c\/p\u003e","brand":"Glass School","offers":[{"title":"Default Title","offer_id":54495419957581,"sku":"3846143","price":190.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/9954\/6445\/files\/Square_a38e1d8d-287b-4a47-a00d-13b5f2b8e8ca.jpg?v=1786458132","url":"https:\/\/glass-school.co.uk\/products\/bob-leatherbarrow-creating-with-crackle-4th-11th-18th-25th-november-2026","provider":"Glass School","version":"1.0","type":"link"}