In 1994, LEGO released 3 Promotional Value Packs sets, all of these sets have been retired. For that year, the total price of all retail sets cost $26, today those sets are valued around $839, a growth of 3163%.
Most owned 1994 Promotional Value Packs set
1723 Castle / Pirates Value Pack
3 sets

1722 Town / Space Value Pack

Theme / Subtheme Promotional / Value Packs
Year 1994
Pieces 106
Availability Retired
1722 LEGO Town / Space Value Pack
Retail $7.99
Value $246.80
Growth  +2988.9%
Annual growth 9.0%

1723 Castle / Pirates Value Pack

Theme / Subtheme Promotional / Value Packs
Year 1994
Pieces 72
Availability Retired
1723 LEGO Castle / Pirates Value Pack
Retail $7.99
Value $396.82
Growth  +4866.5%
Annual growth 10.7%

1900-2 Special Bonus Pack

Theme / Subtheme Promotional / Value Packs
Year 1994
Pieces 88
Availability Retired
1900-2 LEGO Special Bonus Pack
Retail $9.75
Value $195.84
Growth  +1908.6%
Annual growth 9.8%