Build your own
Build Your Own Keycap Clicker
Pick a base, then choose which of the keycap characters from 4 Hollow Lane move in. Each one drops into its slot as you pick, and your total updates as you go. Add a keyring or strap if your clicker is coming along for the ride.

Licensed Seller - Model by Puffy Puff
Dreamed up in London, wiggled into shape in Melbourne