The section of the pamphlet titled "Radioactive Source Replacement" is spectacular. I wonder how many -- if any -- reorders they ever processed. Was there a crate of radioactive zinc sitting in Gilbert's warehouse waiting to be shipped to rosy-cheeked little scientists?
"...waiting to be shipped to rosy-cheeked little scientists?"
Or whatever address those rosy-cheeked little scientists decided to put on the form. I remember sending ants to unsuspecting neighbors using the refill from that came with my ant farm.