About: http://webisa.webdatacommons.org/443878578

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These new manipulatives enable children to explore a new set of concepts (in particular, "systems concepts" such as feedback and emergence) that have previously been considered too advanced for children to learn.
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu