Some kind of a water spawner, which can be very useful for making your own pools. Can be done similiar to Minecraft, where they have water buckets with which you can place water blocks which act as a spawn point for water.
World’s Smallest Dev Action Figures (taken from Mac’s adventure at a toy store)
Photo credit: MacDGuy
Each action figure would be a dev and all of their descriptions would be “Yes! Actually Works!”
Foohy Cushion:
Photo credit (again): MacDGuy
a whoopee cushion with Foohy sitting on it and a dev in the background
and finally, 'Fooh’sball and Skeeball (Don’t know if it has been suggested):
same photo credit
The Foosball would be operatable and the Skeeball would be a small mini tabletop version