is allowable in ordinary Collins Scrabble, EEAIORT would be allowable in Clabbers. A junior version, called Junior Scrabble, has been marketed. This has slightly different distributions of frequencies of letter tiles to the standard Scrabble game. Word games similar to or influenced by Scrabble include Bananagrams, Boggle, Dabble, Nab-It!, Perquackey, Puzzlage, Quiddler, Scribbage, Tapple, Upwords, and WordSpot. There are also number-based variations, such as Equate (game), GoSum, Mathable, Numble, Numbler, Triolet, Yushino and Numenko. Gameboard formats The game has been released in numerous gameboard formats appealing to various user groups. The original boards included wood tiles and many "deluxe" sets still do. Tile Lock editions Tile Lock editions of Scrabble and Super Scrabble are made by Winning Moves and feature smaller, plastic tiles that are held in place on the board with little plastic posts. The standard version features exactly the same 100 tiles as regular Scrabble. The Tile Lock Super Scrabble features the same 200 tiles that are in Super Scrabble. Travel editions Editions are available for travelers who may wish to play in a conveyance such as a train or plane or to pause a game in progress and resume later. Many versions thus include methods to keep letters from moving, such as pegboards, recessed tile holders and magnetic tiles. Players' trays are also designed with stay-fast holders. Such boards are also typically designed to be reoriented by each player to put the board upright during the game, as well as folded and stowed with the game in progress. Production and Marketing Company, 1954 – metal hinged box, Bakelite tiles inlaid with round magnets, chrome tile racks, silver-colored plastic bag and cardboard box covered with decorative paper. The box, when opened flat, measures and the tiles measure square. Spear's Games, the 1980s – boxed edition with pegboard, plastic tiles with small feet to fit snugly in the pegboard. Racks are clear plastic, allowing some sorting while holding tiles fairly snugly. The set comes with a drawstring plastic bag to draw tiles and a cardboard box. It is possible to save a game in progress by returning the board to the box. There is a risk of players' trays being mixed and upset, and the box lid, held on by friction, is subject to upset. Selchow & Righter, 1980s – pocket edition with plastic "magnetic" board and tiles. Tile racks are also plastic with an asymmetrical shape to provide