About: http://webisa.webdatacommons.org/428542022

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	To do so, you line up a set of blocks, ramps and other elements and touch ???start??? to turn on the gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	childrenstech.com