These LEGO magnets are based on the Atlantis them which was introduced in 2010 whose story line is about a group of explorers that are searching the sea floor for the eponymous lost city of Atlantis from ancient myths.
Theme / Subtheme Gear / Magnets / Atlantis
Year 2011
Pieces 27
Availability Retired
853087 LEGO Atlantis Magnet Set
Retail $14.99
Value $25.43
Growth  +69.6%
Annual growth 4.2%
Theme / Subtheme Gear / Magnets / Atlantis
Year 2010
Minifigs 3
Availability Retired
852777 LEGO Magnet Set
Retail $14.99
Value $17.30
Growth  +15.4%
Annual growth 2.5%