I made a block kind of like this before and it was so adored by the recipient (read: hurled across the room and slammed around in great joy!) that the parents requested another for a friend of theirs that was having a baby. They didn’t know if it was a boy or a girl, so this is what I came up with!
Lots of polka dots and lots of monkeys!
Flannel stuffed with fiberfill with a rattle in the middle… give it a little bit of weight for optimal flight trajectory 😀