Lego Baby is a line of blocks by the Lego Group for very young children. The Lego Group is a family-owned company, based in Billund, Denmark and best known for the manufacture of Lego-brand toys. ...

In the past it was sold as a sub-line of Duplo, but is now sold as a separate line of sets. The Duplo logo. ...

Its compatibility with other Lego elements is fairly minimal. It will stack on top of Duplo elements but special adaptor pieces are needed to go the other way. The blocks are larger than in any other Lego line.