{"product_id":"optical-illusions","title":"Optical Illusions","description":"\u003cb\u003eChildren will unravel the secrets of science with simple experiments using easy-to-find items.\u003c\/b\u003e \u003cp\u003e\u003c\/p\u003e In this title in the Let's Experiment! series, children are accompanied by two characters: Professor Albert, who will teach them the scientific explanation behind each experiment, and Greg the Robot, who will guide them in their practice. They'll have a ton of fun learning about the different kinds of optical illusions, how to draw an ambiguous figure, how to create a three-sided cube, and much more! For each experiment there is also a \"mess-o-meter\" for parents to know how messy the experiment can be, as well as the level of difficulty.\r","brand":"Mattia Crivellini, Rossella Trionfetti","offers":[{"title":"Hardcover","offer_id":44443759050988,"sku":"9788854417304","price":9.99,"currency_code":"USD","in_stock":false},{"title":"Library Binding","offer_id":44443759083756,"sku":"9781725339354","price":47.9,"currency_code":"USD","in_stock":false},{"title":"Paperback","offer_id":44443759116524,"sku":"9781725339347","price":19.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/1791\/3068\/files\/9788854417304.jpg?v=1708844178","url":"https:\/\/intl.allstora.com\/products\/optical-illusions","provider":"Allstora","version":"1.0","type":"link"}