What tools are needed for making wafer cookies?
Perhaps you can use one these?

http://www.thecooksden.com/cuisinart-pizzelle-press-grill-brushed-stainless-nonstick-wm-pz2/

Buying one these might be little over the top:
http://hanshuangying.en.made-in-china.com/product/IoQnJEqGOOkC/China-Complete-Full-Automatic-Wafer-Press-Machine.html

Pizelle maker at Amazon