Alebrijes - Oaxacan Woodcarving - El Caracol Zapoteca Fine Oaxacan Woodcarving Gallery. These are some of the finest examples I have seen. Beautiful details - nice close up views. Educational site (as well as commercial). This gallery does give art teachers permission to use images provided you send them email first. If you want only a few - Fair Use guidelines are permitted. 

I bought a sheet of 3/4 inch plywood and had our maintenance department cut up the pieces for the backs. I had wooden boards in 12 inch by 8 inch, 6x6 squares, 8x10, and a bunch of random sizes. Next year I am going to buy 1x2 or some molding for the legs and let him slice those up too, in various lengths, for legs and necks. It's cheaper and if you buy the precut long length sets, you will spend forever trying to match them all up to sizes before your kids get to them. I will cut legs into 2", 3", 5", 7", 10" and 12" lengths, bundled up in groups of 4, totaling about 76 sets for my 60 kids. I will subdivide those sets into three groups with a full range of sizes...one for each class. Go heavier on the 5-10 inch sets than on the 2,3,and 12 inch sets. Some kids may have to make due with what is left, but you will get a lot of variety, and they will be forced to think about how to make it work. Also, buy lots of Sax little pieces, turned ends, and if they have any round pieces, try to buy some of those. It's hard to know what to buy, just get more than you think you need. (Note from Judy: Left over pieces can always be used in a Louise Nevelson assemblage sculpture - none will go to waste)

(Julia). It was the smallest one, but she took such time with her patterns that she finished about when everyone else did. Hers is one of my favorites. You could keep it small and have kids make bugs, etc.  I ordered just about every scrap box available (wood) from Sax. On some of the scrap boxes I ordered three of each. The legs were 2", 3", 5" 7", 9" and 12" lengths. I had them bundled in groups of four before the kids got to them. I also had a miter saw/box and some kids angled their leg ends to make giraffe like creatures. Linda also had a drill, a vise, and some coping frame saws.

Note from Judy: When I did this with kids at local art resource center - I went to every mill and lumber shop in town and filled boxes with their scraps. I cut down some shapes -and left others as is. I cut strips of wood for legs (taped four strips together) cutting four legs at a time. The tape held them together in sets. Kids weren't locked into those sets - I let them miss-match if needed. I got freebie latex paint for our base coats (then we accented with good acrylics). I was working on zero budget for my class - so all materials had to be donated. I supplied a lot of the materials myself.