Building sets are great toys for kids to develop their imagination. They are basic and inexpensive, $25-$30. Usually they come with building plate, wagon base, figures and containers for storage. Kids can use their imagination to build a vareity of shapes with mix of bricks. When the sets have wheels included, kids can build cars, trucks, airplanes, and robots. Kids love to play with them.

Here are some building sets for sale on eBay.