In 1999, LEGO released 23 Basic sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included McDonald Promotional and Seasonal. For that year, the total price of all retail sets cost $319, today those sets are valued around $1,063, a growth of 234%.
Most valuable 1999 LEGO Basic set
4213 Basic Building Set $237.77
Largest 1999 LEGO Basic set
4229 Basic Building Set 812 pieces
Most owned 1999 Basic set
2757 Bad Monkey
23 sets

1076 Advent Calendar

Theme / Subtheme Basic / Seasonal
Year 1999
Pieces / Minifigs 229 / 1
Availability Retired
1076 LEGO Advent Calendar
Retail $19.99
Value $121.48
Growth  +507.7%
Annual growth 6.2%

1106-2 Basic Building Set

Theme Basic
Year 1999
Pieces / Minifigs 411 / 2
Availability Retired
1106-2 LEGO Basic Building Set
Retail $24.99
Value $86.39
Growth  +245.7%
Annual growth 4.7%

2229 Basic Building Set

Theme Basic
Year 1999
Pieces 201
Availability Retired
2229 LEGO Basic Building Set
Retail $14.99
Value $22.15
Growth  +47.8%
Annual growth 3.1%

2719 Heli-Monster

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 9
Availability Retired
2719 LEGO McDonald's Promotional Heli-Monster
promotional
Value $2.50
Annual growth 5.9%

2728 The Chopper

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 11
Availability Retired
2728 LEGO McDonald's Promotional The Chopper
promotional
Value $4.82
Annual growth 1.4%

2729 Quattro Leg

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 17
Availability Retired
2729 LEGO McDonald's Promotional Quattro Leg
promotional
Value $5.71
Annual growth 2.5%

2742 Loudspeaker

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 9
Availability Retired
2742 LEGO McDonald's Promotional Loudspeaker
promotional
Value $4.82
Annual growth 2.0%

2743 Pendulum Nose

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 21
Availability Retired
2743 LEGO McDonald's Promotional Pendulum Nose
promotional
Value $3.84
Annual growth 2.6%

2744 Propeller Man

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 10
Availability Retired
2744 LEGO McDonald's Promotional Propeller Man
promotional
Value $2.12
Annual growth 7.9%

2757 Bad Monkey

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 9
Availability Retired
2757 LEGO McDonald's Promotional Bad Monkey
promotional
Value $3.00
Annual growth 4.2%

2759 Rotor-Head

Theme / Subtheme Basic / McDonald's Promotional
Year 1999
Pieces 14
Availability Retired
2759 LEGO McDonald's Promotional Rotor-Head
promotional
Value $3.57
Annual growth 1.8%

3032 Special Value Bucket

Theme Basic
Year 1999
Pieces 600
Availability Retired
3032 LEGO Special Value Bucket
Retail $24.99
Value $28.14
Growth  +12.6%

3041 Basic Building Set

Theme Basic
Year 1999
Pieces 464
Availability Retired
3041 LEGO Basic Building Set
Retail $19.99
Value $34.00
Growth  +70.1%
Annual growth 2.0%

4211 Basic Building Set

Theme Basic
Year 1999
Pieces 53
Availability Retired
4211 LEGO Basic Building Set
Retail $4.99
Value $16.71
Growth  +234.9%
Annual growth 3.2%

4212 Basic Building Set

Theme Basic
Year 1999
Pieces 95
Availability Retired
4212 LEGO Basic Building Set
Retail $9.99
Value $13.73
Growth  +37.4%
Annual growth 1.5%

4213 Basic Building Set

Theme Basic
Year 1999
Pieces 563
Availability Retired
4213 LEGO Basic Building Set
Retail $29.99
Value $237.77
Growth  +692.8%
Annual growth 8.0%

4215 Basic Building Set

Theme Basic
Year 1999
Pieces 264
Availability Retired
4215 LEGO Basic Building Set
Retail $16.99
Value $62.50
Growth  +267.9%
Annual growth 5.2%

4216 Basic Building Set

Theme Basic
Year 1999
Pieces 509
Availability Retired
4216 LEGO Basic Building Set
Retail $29.99
Value $31.52
Growth  +5.1%
Annual growth 6.5%

4217 Basic Building Set

Theme Basic
Year 1999
Pieces 219
Availability Retired
4217 LEGO Basic Building Set
Retail $19.99
Value $97.56
Growth  +388.0%
Annual growth 5.6%

4219 Basic Building Set

Theme Basic
Year 1999
Pieces 288
Availability Retired
4219 LEGO Basic Building Set
Retail $16.99
Value $26.75
Growth  +57.4%
Annual growth 1.7%

4223 Basic Building Set

Theme Basic
Year 1999
Pieces 546
Availability Retired
4223 LEGO Basic Building Set
Retail $29.99
Value $106.35
Growth  +254.6%
Annual growth 4.8%

4229 Basic Building Set

Theme Basic
Year 1999
Pieces 812
Availability Retired
4229 LEGO Basic Building Set
Retail $39.99
Value $95.80
Growth  +139.6%
Annual growth 3.2%

4285 Basic Building Set

Theme Basic
Year 1999
Pieces / Minifigs 256 / 1
Availability Retired
4285 LEGO Basic Building Set
Retail $14.99
Value $52.26
Growth  +248.6%
Annual growth 5.7%