Carol: In addition to the recipes posted here, ou will find a wonderful collection of recipes like you wish already posted on TKL.
One place to be sure to check is TKL's Kids in the Recipe: http://www.recipelink.com/cgi/public_frames?page=rcpkids
Also, be sure to use the recipe search using words such as kids, children, Halloween, birthday, cupcakes, etc.

Here is one of the recipes previously posted on TKL:
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Recipe(tried): Ice Cream cone cupcakes
Posted By: Becky in KY
Date: August 19th 1998
In Reply to: What to make for 3 yr olds
Board: TKL Cooking Club

Here's a recipe I've used - You can
substitute any flavor cake mix and I have used
chocolate chips. The main thing is filling the cones
2/3 to 3/4 full with batter.

Peanut butter party cones

18.25 or 18.5 oz package yellow cake mix
1 1/2 c peanut butter chips
1/2 c milk
24 FLAT BOTTOM ice cream cones
2 containers ready made frosting (I make my own)
decorations for cupcakes, your choice

Prepare cake batter according to package
directions. set aside.

Melt peanut butter chips with milk in top of a
double boiler over hot but not boiling water, stirring
constantly until blended.

Add peanut butter mixture while warm to the cake
batter beat on medium speed until blended, about 2 min.
fill cones 2/3 to 3/4 full with batter
place upright in regular muffin cups or 2 inches
apart on cookie sheet bake 350 for 30 to 35 min or until cake tester
comes out clean. Cool completely. Frost, decorate

If you have to transport, the best way I have found
is to use a 'shirt' type gift box, cut circles or X's in
the top and insert the cones. Or you can put a
large piece of posterboard over a cake pan and cut
the circles. It just helps to have something to hold
them up if you have to take them someplace.