Based on the Merriam-Webster's The Official SCRABBLE Player's Dictionary, 4th edition, this helpful handheld device will be invaluable to players at all levels, who want to master the SCRABBLE game. It can solve disputes by instantly validating over 100,000 words and providing brief definitions. This patented device includes easy to use features which enhance SCRABBLE playing skills. It builds vocabulary by creating words from letter tiles and finding words from the letter pattern on the board. It provides solutions ranked by score. It adds fun with three challenging word games that can be played on three different skill levels. And it offers easy-to-read large type, on-screen help, automatic shut-off and adjustable contrast control. Requires four AAA batteries (not included).