{"version":"1.0","type":"link","title":"Rock-a-Stack - Newikis","description":"Rock-a-Stack is a toy by Fisher-Price with colorful rings that have to be placed in order of size onto a tapered pole mounted on a rocking base. When stacked correctly the hollow plastic rings follow ROYGBIV color progression. The Rock-a-Stack is designed to teach young children about colors and to…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/8/88/A_child_playing_with_a_Rock-a-Stack.jpg/1200px-A_child_playing_with_a_Rock-a-Stack.jpg","thumbnail_width":1200,"thumbnail_height":1602}