{"product_id":"vintage-perpetual-desk-calendar-san-diego-zoo-california-souvenir","title":"Vintage Mechanical Perpetual Flip Calendar - San Diego Zoo, California Souvenir - Flip to Change the Day \u0026 Month!","description":"\u003cp\u003eThere are two knobs at the base which you can turn, one for the month and one for the day of the week. To change the day of the month, you slowly flip the circle at the top and it flips the day as you flip the circle. When you get to the end of the month, it will tell you to switch the month and then it will start the days from the first of the month again.\u003c\/p\u003e\n\u003cp\u003e3\" tall and 2.6\" across\u003c\/p\u003e","brand":"Greenbrier Vintage","offers":[{"title":"Default Title","offer_id":51014818594983,"sku":null,"price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/1716\/2919\/files\/DB866DC5-DE09-4D92-99F1-71C8AB2EB3A3.jpg?v=1784942025","url":"https:\/\/greenbriervintage.com\/en-us\/products\/vintage-perpetual-desk-calendar-san-diego-zoo-california-souvenir","provider":"Greenbrier Vintage","version":"1.0","type":"link"}