GitHub - inganiad/STHS-Roundup-Spinner: Saint Thomas High School Round-Up Spinner GUI to select winning student
G4P (GUI for Processing): g4p_controls.GSpinner Class Reference
java - How to limit JSpinner - Stack Overflow
Java Spinner Beginner Program - YouTube
java - How to make a date spinner on Android - Stack Overflow
Building gui
Python 3 Tkinter Script to Build Fidget Spinner Using Turtle Graphics Library and Animating it GUI Desktop App Full Project For Beginners - Coding Shiksha