In 1998, LEGO released 6 Service Packs Scala sets, all of these sets have been retired. For that year, the total price of all retail sets cost $70, today those sets are valued around $274.
Most valuable 1998 LEGO Service Packs Scala set
5400 LEGO Scala Fashion Accessories $148.13
Largest 1998 LEGO Service Packs Scala set
5404 LEGO Scala Basic House 28 pieces
Most owned 1998 Service Packs Scala set
5405 LEGO Scala Floor Plate 17.5x35 cm
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 12
Availability Retired
5400 LEGO Scala Fashion Accessories
Retail $3.99
Value $148.13
Growth  +3612.5%
Annual growth 9.1%
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 14
Availability Retired
5401 LEGO Scala Kitchen Accessories
Retail $3.99
Value $29.65
Growth  +643.1%
Annual growth 7.7%
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 1
Availability Retired
5402 LEGO Scala Floor Plate 17.5x35 cm
Retail $5.99
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 1
Availability Retired
5403 LEGO Scala Floor Plate 35x35 cm
Retail $9.99
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 28
Availability Retired
5404 LEGO Scala Basic House
Retail $39.99
Value $86.16
Growth  +115.5%
Annual growth 2.9%
Theme / Subtheme Service Packs / Scala
Year 1998
Pieces 1
Availability Retired
5405 LEGO Scala Floor Plate 17.5x35 cm
Retail $5.99
Value $10.06
Growth  +67.9%
Annual growth 1.9%