please help with nds roms

i have downloaded almost 300 nds roms for my son as i have bought him a r4 can get rom on to disc and they work great but i want to put all roms on dvd so he can take them with him to his mothers as he has no internet connection he cant down load them to his mums pc but i have not a clue what program will burn roms to dvd i thought it would be just a case of burning them as adata disc but will no work thank you for any help you can give ;D

ROMs will still be classified as burning regular files, since it's going on optical media (CDs,DVDs etc.). And ROMs come from solid state (cartridges). Use the free program, ImgBurn.

THANK you is it easy to use as iam pretty new to this