"Duckling Incubator Set"@en . "Duckling Incubator Set is an item associated with the Hopscotch Hill School line. It was released in 2005 and retired in 2006. Retail price was $20."@en . . . . . . . . "Duckling Incubator Set is an item associated with the Hopscotch Hill School line. It was released in 2005 and retired in 2006. Retail price was $20."@en . .