In 1956, LEGO released 7 Mursten sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Basic Set and Town Plan. For that year, the total price of all retail sets cost $18, today those sets are valued around $15,070.
Most valuable 1956 LEGO Mursten set
700-5-2 Gift Package $4,062.68
Largest 1956 LEGO Mursten set
700-6-2 Gift Package 46 pieces
Most owned 1956 Mursten set
700-4-3 Gift Package
7 sets

700-2-1 Gift Package

Theme / Subtheme Mursten / Basic Set
Year 1956
Availability Retired
700-2-1 LEGO Gift Package
Retail $3.50

700-2-3 Gift Package

Theme / Subtheme Mursten / Basic Set
Year 1956
Availability Retired
700-2-3 LEGO Gift Package
Retail $3.25

700-3-2 Gift Package

Theme / Subtheme Mursten / Basic Set
Year 1956
Availability Retired
700-3-2 LEGO Gift Package
Retail $2.50
Value $3,466.79
Growth  +138571.6%
Annual growth 10.9%

700-3A-2 Gift Package

Theme / Subtheme Mursten / Town Plan
Year 1956
Availability Retired
700-3A-2 LEGO Gift Package
Retail $3.25
Value $2,123.17
Growth  +65228.3%
Annual growth 9.7%

700-4-3 Gift Package

Theme / Subtheme Mursten / Basic Set
Year 1956
Availability Retired
700-4-3 LEGO Gift Package
Retail $1.50
Value $2,923.42
Growth  +194794.7%
Annual growth 11.4%

700-5-2 Gift Package

Theme / Subtheme Mursten / Basic Set
Year 1956
Availability Retired
700-5-2 LEGO Gift Package
Retail $1.25
Value $4,062.68
Growth  +324914.4%
Annual growth 12.3%

700-6-2 Gift Package

Theme / Subtheme Mursten / Town Plan
Year 1956
Pieces 46
Availability Retired
700-6-2 LEGO Gift Package
Retail $2.25
Value $2,493.82
Growth  +110736.4%
Annual growth 10.5%