I'm sorry I'm new on this and I would like to Know what is SPS? Thanks

SPS is one type of cake support system:

http://www.cakecentral.com/cake-decorating-ftopict-603925-sps.html

Everything you need to know to make, decorate and assemble tiered/stacked/layer cakes:

http://www.cakecentral.com/cake-decorating-ftopict-605188-sps.html

The above superthread has a link to illustrated common cake support systems with complete directions - and so much more.

HTH

JanH, you're awesome, thank you very much for all the information, apreciated