Python tkinter multiple animations (BroCode)

# https://youtu.be/qK8Pfll5ha8

from tkinter import *

from time import sleep

class Ball:

  def __init__(self, canvas, x, y, dia, xVel, yVel, color, outline):

    self.canvas = canvas

    self.image = canvas.create_oval(x, y, dia, dia, fill=color, outline=outline)

    self.xVel = xVel

    self.yVel = yVel

  def move(self):

    coordinates = self.canvas.coords(self.image)

    if (coordinates[2] >= (self.canvas.winfo_width()) or coordinates[0] < 0):

      self.xVel = -self.xVel

    if (coordinates[3] >= (self.canvas.winfo_height()) or coordinates[1] < 0):

      self.yVel = -self.yVel      

    self.canvas.move(self.image, self.xVel, self.yVel)

win = Tk()

win.geometry("500x500")

WIDTH, HEIGHT = 500, 500

canvas = Canvas(win, width=WIDTH, height=HEIGHT)

canvas.place(x=0, y=0)

volley_ball = Ball(canvas, 0, 0, 100, 1, 1, "black", "black")

tennis_ball = Ball(canvas, 0, 0,  50, 4, 3, "yellow", "white")

basket_ball = Ball(canvas, 0, 0, 125, 4, 3, "orange", "white")

while True:

  volley_ball.move()

  tennis_ball.move()

  basket_ball.move()

  win.update()

  sleep(0.01)

  

win.mainloop()