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Hasbro Games - Don't Lose Your Cool

Discover your inner calm with this Hasbro Don't Lose Your Cool game. Its Cool-O-Meter unit detects if a player's heart rate rises, and the three action dice and instructions provide playful challenges to test your emotional control. Tease your friends and win through laughter with this Hasbro Don't Lose Your Cool game.
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Hasbro Games - Don't Lose Your Cool
Hasbro Games - Don't Lose Your Cool



CHOKING HAZARD: Small parts included. Not for children under 3 years old.

What's Included

  • Hasbro Don't Lose Your Cool


Don't Lose Your Cool

Inspired by viral challenges, this game tests one's ability to remain calm under pressure.

Cool-O-Meter unit

Players wear the Cool-O-Meter unit that measures heart rate*, and the opposing team rolls the dice that will determine how they'll try to get a player to get flustered.

Play set

Includes Cool-O-Meter unit with built-in timer, lights, and sounds, three action dice, and instructions.

Battery-powered design

Cool-O-Meter unit requires three 1.5V AAA batteries (batteries not included).

Party game

This game is intended for a group of two and more people.

Recommended minimum age

Suitable for ages 12 and up.

* Heart meter is for entertainment purposes only. This product cannot be used as a medical device for heart rate monitoring.