In 1996, LEGO released 1 Service Packs Primo sets, all of these sets have been retired.
1 set

5028 Duplo Primo Plate 4x4 Blue

Theme / Subtheme Service Packs / Primo
Year 1996
Pieces 1
Availability Retired
5028 LEGO Duplo Primo Plate 4x4 Blue
Retail $4.99
Value $10.79
Growth  +116.2%
Annual growth 2.6%