>>crickets should be no bigger than the space between your gecko's eyes (length of cricket).
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>>I have no clue what size of crickets Petco sells..and I am sure every single Petco store will have different sizes...so that isn't very accurate, but using the space between the eyes rule, it is much easier for you to judge if the crickets you are feeding are too large or too small. Being a bit small is better than being a bit too large.
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>>I also suggest you can just feed the crested gecko diets out there.
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>>PHLdyPayne
Usually the big chain pet stores only sell 2 sizes. I've found that a lot of the smaller, reptile specific places have a whole range of cricket sizes, making it much easier to meet the needs of a growing gecko. There is definitely a time when they lose interest in the 'small' size, but the 'large' ones are still too big for them to comfortably swallow. If you can find a reptile specific place (I know 2 in the Minneapolis/St. Paul area, I'm sure others can recommend in other areas), you'll likely be better able to get appropriate sizes.
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0.1 Albino Leopard Gecko - Tigger
0.1 Crested Gecko - Pooh-Bear