Any help to sex these chicks?

[Poppy7]

My lovely little Pekins are now nearly 3.5 weeks old. They are growing beautifully and changing all the time. I'm struggling to decide if they are hens or cockerels as they all look so similar! I'm hoping you guys can help....!

 

[chrismahon]

Top two look like cockerels, based on the comb development Poppy7.

 

[Poppy7]

Thanks Chris. I shall post more photos in a week and see if you still think the same. I'm hoping the frizzle is a pullet as I would love to keep it!

 

[Marigold]

Love that pic of them with Mum, especially the one with its tiny wings spread out.
Comb looks a lot smaller on the third one, fingers crossed.

 

[Poppy7]

Thanks Marigold. That's the little frizzle. Great isn't she/he!! I can't believe how crazy it's little feathers are already!