Recognizing color, shape and size, and sorting objects into groups are the "building blocks" of beginning math skills. There's no better way to explore these important concepts than with a vibrantly colored wooden blocks and frame set. Extension activities are included to explore form, fun and function all in one toy. Melissa & Doug was started 20 years ago, by a real Melissa and Doug, in the garage of Doug's childhood home, where occupational priorities included not disturbing Doug's parents. The company has grown and moved, but its founders' philosophy remains unchanged: to make each and every customer a happy and permanent member of the Melissa & Doug family.