Word Bits is a great little word game that can be played anywhere game.
It comes with a large deck of category cards and 4, six-sided, 'letter' dice. Each card has one category, and a number of dice to play that round with.
1. Pick a card and roll the number of dice shown on the chosen card.
2. The first player to shout a word from the category including all the letters shown keeps the card.
3. The player with the most cards wins.
Simple but fun and a great way to share knowledge and vocabulary, and practice your spelling!