機器
7
777
amusement
art
background
ball
balls
bet
betting
billiard
casino
chance
color
concept
design
fortune
gamble
gambling
game
graphic
illustration
isolated
isometric
jackpot
leisure
lottery
lotto
luck
lucky
number
numbers
object
play
risk
seven
shape
shiny
sign
slot
sphere
sports
success
symbol
triple
vegas
white
win
winner