Are you Mr Univers or a weakling? such is the existential question of the day… You certainly already saw the apparatuses being used to measure your force in the fun fairs! here is the counterpart exact of the play of the hammer. Test the power of your index by fitting the small hammer, the shock is analyzed and starts the graduation of your results : from wimp to Mr Univers. Incredibly releasing.

• Led Display panel.
• mini hammer for your digit.
• Music fairground and lights
• 4 rubber suckers for an optimal fixing on your desk.
• need 2 AA batteries included.
• Turn off after use.