Breeds and genders, 5 week old chicks

[Brady29]

I bought these from a feed store in April 1st, they were labeled as Easter egger pullets. The first one is twice the size of the others possibly being a cockerel, feathering feels different then the others, harder. The middle two look maybe like a sex link variety but hopefully actual pullets. The last looks like a golden laced wyandotte and is developing wattles rather early. Any help appreciated, thanks.

 

[chickenlittle21]

The 2 and 3 pictures are either golden or red sex links, picture 4 is a golden laced wyandotte. The 1st one might be either a red ranger or a mix breed.

 

[Brady29]

Any guess on the sex of the non sex links, think they’re cockerels?