After reviewing the new device, Joseph knew perfectly well how to use it and what this device was capable of doing. All he needed was the perfect opportunity to use it on his children. But after some thought, Joseph figured it wasn't a good idea to regress Ricky as well, since unlike Sarah he hadn't done anything really wrong.
Joseph soon realized that there was another spare device in the box. And after some thought, Joseph came up with a new plan. While he planned to regress Sarah at a very young age, with Ricky it would be something different. Ricky would also be regressed but at an older age than Sarah, so that Ricky would become the older brother and Sarah the younger sister. Ricky had already shown that he could be more responsible than Sarah, so Joseph was sure that Ricky would be better behaved than Sarah if he now became the big brother this summer.
It was already night, and her children were already asleep. Joseph walked slowly into Sarah's room and carefully inserted the device. He then went into Ricky's room and proceeded to slowly place the backup device which was configured differently than the other device. Now all that remained was to wait for the final results in the morning.
In the morning, Joseph would soon discover the ages to which his children were regressed: