In 2011, LEGO released 2 Power Functions sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Accessories and Trains. For that year, the total price of all retail sets cost $27, today those sets are valued around $60, a growth of 222%.
Most valuable 2011 LEGO Power Functions set
88000 AAA Battery Box $37.60
Largest 2011 LEGO Power Functions set
88002 Train Motor 7 pieces
Theme / Subtheme Power Functions / Accessories
Year 2011
Pieces 1
Availability Retired
88000 LEGO Power Functions AAA Battery Box
Retail $12.99
Value $37.60
Growth  189.5%
Annual growth 8.1%
Theme / Subtheme Power Functions / Trains
Year 2011
Pieces 7
Availability Retired
88002 LEGO Power Functions Train Motor
Retail $13.99
Value $22.41
Growth  60.2%
Annual growth 4.3%