In 2012, LEGO released 3 Exclusive LEGO Internal sets, all of these sets have been retired.
Most valuable 2012 LEGO Exclusive LEGO Internal set
4000005 Kornmarken Moulding $445.77
Most owned 2012 Exclusive LEGO Internal set
4000006 Production Kladno Campus
Theme / Subtheme Exclusive / LEGO Internal
Year 2012
Pieces 47
Availability Retired
4000004 Systematic Creativity Toolbox
Value $375.66
Annual growth 10.2%
Theme / Subtheme Exclusive / LEGO Internal
Year 2012
Pieces 315
Availability Retired
4000005 Kornmarken Moulding
Value $445.77
Annual growth 35.4%
Theme / Subtheme Exclusive / LEGO Internal
Year 2012
Pieces 278
Availability Retired
4000006 Production Kladno Campus
Promotional
Value $324.02
Annual growth 5.9%