Seasonal is a collection of releases relating to seasonal events, such as Christmas, Easter and Halloween. Sets and merchandise have been released on and off since 1977.
Sets
Advent Calendars
Christmas
Easter
- 1263 Build-A-Bunny - 2000
- 1264 Easter Chickens - 2000
- 1545 Build-A-Rabbit
- 1551 Chick - 1985
- 1677 Rabbit - 1990
- 4710 Rabbit
- 10071 Mr. Bunny - 2003
- 10168 Mrs. Bunny
- 10169 Chicken and Chicks
- 40005 Easter Bunny - 2010
- 852216 Easter Magnet Set - 2008
- 885217 Plush Bunny with DUPLO Bricks - 2008
- 4212838 Easter Chick
- 4212847 Easter Chick in Egg
- 4212850 Easter Egg Orange
- 4212852 Easter Egg Blue
Halloween
- 3047 Halloween Bucket
- 3731 Pumpkin Pack - 2000
- 7836 Halloween Creator Small Bucket
- 40012 Halloween Pumpkin Pack - 2010
- 40013 Ghost - 2010
- 40014 Bat - 2010
- K3731 3D Pumpkin Pack Kit - 2000?
- LEGOLAND California 3D Witch
- LEGOLAND California Build N Buy Pumpkin (Happy)
- LEGOLAND California Build N Buy Pumpkin (Sad)
- 40020 Halloween Set - 2011
- 40021 Spider Set - 2011
Independence Day
- 10042 U.S. Flag - 2004
Thanksgiving
- 10090 Turkey - 2003
- 40011 Turkey - 2010
Valentine's Day
- 2008 Heart - 2008
- 2009 Heart - 2009
- 40004 Heart - 2010
- 40085 Teddy Bear - 2014
- 852786 Rose - 2010