In 2014, LEGO released 4 Exclusive LEGO Internal sets, all of these sets have been retired. For that year, the total price of all retail sets cost $49, today those sets are valued around $1,314, a growth of 2581%.
Most valuable 2014 LEGO Exclusive LEGO Internal set
4000015 LOM Building B $512.32
Highest growth 2014 Exclusive LEGO Internal set
4000016 Billund Airport +164.20%
Largest 2014 LEGO Exclusive LEGO Internal set
4000011 Nyiregyhaza Factory 327 pieces
4 sets

4000011 Nyiregyhaza Factory

Theme / Subtheme Exclusive / LEGO Internal
Year 2014
Pieces 327
Availability Retired
4000011 Nyiregyhaza Factory
Value $198.15
Annual growth 24.5%

4000015 LOM Building B

Theme / Subtheme Exclusive / LEGO Internal
Year 2014
Pieces 215
Availability Retired
4000015 LOM Building B
Value $512.32
Annual growth 35.4%

4000016 Billund Airport

Theme / Subtheme Exclusive / LEGO Internal
Year 2014
Pieces 281
Availability Retired
4000016 Billund Airport
Retail $49.00
Value $129.46
Growth  +164.2%
Annual growth 9.0%

4000019 Brand Identity and Experience

Theme / Subtheme Exclusive / LEGO Internal
Year 2014
Pieces 101
Availability Retired
4000019 Brand Identity and Experience
Value $473.69
Annual growth 9.6%