Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Exactly what I expected: I will update after my son also starts using it.

1.The track ball could have been double the size2.I would not mind if the alpha keys of same size as a laptop but want the Enter key, Tab Key shift key should have been little bigger.3. Why could not you just mimic exact dimensions and layout of a lenovo T400 or T410 with the trackball double the size.4. left click as a trigger is a fantastic idea works great.5. Scroll wheel is also great.6. track bask should have been little smoother.