{"type":"rich","version":"1.0","title":"Kocke i sfere","description":"Aktivnost razvrstavanja predmeta iz stvarnog sveta u kategorije Kocka i Sfera","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922022288&hashid=9LKlJ1WzjD","html":"<iframe src=\"https://arcade.padlet.com/embed/9LKlJ1WzjD\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}