BhavGamma rays look like fun to play with. I want a pet rock of uranium.
BhavOh wow look at these: https://unitednuclear.com/index.php?main_page=product_info&cPath=2_76&products_id=482 Safe to handle too.
BhavI only just found out you can get stuff made of uranium glass, and its safe (very low levels of radiation):