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adhd
attention
background
balance
bearings
blue
boy
centrifugal
childhood
children
craze
deficit
disorder
distraction
energy
entertainment
fad
fidget
finger
focus
force
fun
gadget
game
gyro
gyroscope
hand
hyperactivity
kid
kids
man
object
plastic
play
popular
relaxation
relaxing
relieving
roller
spin
spinner
steel
stress
toy
trend
wooden