Yahtzee is the trademarked name of a popular dice game made by Milton Bradley (now owned by Hasbro).
The object of the game is to score the most points by rolling five dice to make certain combinations.
The dice can be rolled up to three times in a turn to try to make one of the thirteen possible scoring combinations.
A game of Yahtzee consists of thirteen rounds during which the player chooses which scoring combination is to be used in that round.
Once a combination has been used in the game, it cannot be used again.
Each of the scoring combinations has a different point value, some of which are fixed values and others of which have the cumulative value of the dice.
A Yahtzee is a five-of-a-kind and holds the game's highest point value of 50.
(source: wikipedia.com)

[0282 x5] The travel version 'Yathzee Travel Game', plastic, 144x50x20 mm