In 2004, LEGO released 4 Promotional LEGO Japan Magazine sets, all of these sets have been retired.
Most valuable 2004 LEGO Promotional LEGO Japan Magazine set
Cat $23.06
Largest 2004 LEGO Promotional LEGO Japan Magazine set
Spinning Top 12 pieces
4 sets

Cat

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2004
Pieces 10
Availability Retired
LEGO Japan Magazine Cat
promotional
Value $23.06
Annual growth 11.1%

Ostrich

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2004
Pieces 10
Availability Retired
LEGO Japan Magazine Ostrich
promotional
Value $16.06
Annual growth 13.5%

Spinning Top

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2004
Pieces 12
Availability Retired
LEGO Japan Magazine Spinning Top
promotional
Value $20.25
Annual growth 14.7%

Snail

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2004
Pieces 8
Availability Retired
LEGO Japan Magazine Snail
promotional
Value $15.88
Annual growth 10.2%