As far as simple training aids go- The Big Putt is a fairly decent idea. Basically- it's a sphere made larger than a regulation golf ball (1.95 inches in diameter vs 1.68 inches) that is to be used to practice putting. Because it's larger- mis-hits are magnified giving your immediate feedback on your putting.

In a lot of ways its the same as the old school jump shoes and swing weights on a baseball bat. You practice with the heavy and then when you switch back to the "real thing" it looks smaller and easier.

Fair enough.

The Big Putt balls are smooth- reminding you more of a cue ball or hard covered racquetball. Despite only being .3 inches larger in diameter than a regulation golf ball- it's very noticeable, which makes me believe the idea has some relevance. It's not so big that it's not realistic- but big enough to really miss a putt you may have snuck inside the side of the hole with a real ball. My one question is how much not having dimples makes a difference to how the ball rolls? I guess the Big Putt should actually roll smoother and more true...

My favorite part is that when you buy The Big Putt it comes with a little sack to carry the two practice balls in... yes, I'm juvenile, but how can I not make an over-sized ball sack joke?

I've been putting Big Putt balls exclusively in my hall lately. I have been putting a bit better on the course. I want to be fair to the Big Putt training aid- but the fact that I was doing ANY practice was probably also a contributing factor.

You can buy your own Big Putt for $29.99 which includes 3 balls, an instructional DVD, a ball alignment tool (a marker), and the previously mentioned sack carrying pouch.