I am wanting to make a John Deere cake. I tried using a box cake mix, but found it wasn't very easy to work with. It fell apart quite easily. Any suggestions on what kind of cake I should use? Thanks!

Hi and Welcome to CC, Corbins_mommy.

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

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

Above super thread has popular CC recipes for crusting American buttercreams, several types of fondant and doctored cake mix (WASC and other flavor variations) - and so much more!

Secrets of cake carving:

http://cakecentral.com/cake-decorating-ftopict-59361-.html

Wilton tractor cake pan with decorating ideas:

http://www.wilton.com/store/site/product.cfm?sku=2105-2063

Tutorial on using a shaped pan to apply MMF to same:

http://www.cakecentral.com/cake-decorating-ftopict-611152-.html

Tractor cakes from CC photo galleries:

http://www.cakecentral.com/modules.php?name=gallery&meta=search&type=full&search=tractor&album=-&search_user=

If you see something you like in the galleries, and need help - just post again with a link to the cake you like.

HTH