Right now on Amazon you can grab the DUPLO LEGO Ville Baby Zoo  for $11.50!
These are Legos for ages 2-5- something for the younger ones to play with.
- 18-Piece set includes animals, zoo keeper, and large building bricks
- Encourages creative thinking and social skill development through role-play
- DUPLO® bricks encourage hands-on, minds-on exploration and storytelling
- Basic DUPLO building sets nourish young imaginations through free-form building
- Fosters hand-eye coordination, problem solving, patterns, motor skills and more
Remember this is Amazon- the price can change at any moment!