DUPLO Town sets were introduced in 1978. The sets ranged from fire and police to circus and race related sets. From 2004 The LEGO Group has used the name for all DUPLO Town related sets.
Dacta or Educational DUPLO sets are those released under LEGO's educational brand, . They are often designed for schools and include things like LEGO tables.
DUPLO Train started in and is still active today. Thomas and Friends sets can be considered part of this theme. There have been three track varieties so far.
In , a deal with saw the return of Disney characters in DUPLO sets, unseen since . and all saw several sets released. has been released in DUPLO and Lego sets.