Captcha: Protoype Complete w/ Rules

I've finished the prototype and playtested it once. Nothing was wrong with it other than how everything was to be carried out. I bought a $1 timer from the dollar tree. I can't turn it off so I don't know how long the timer will last. I bought 2 just in case. Also, I have Warmachine bases which I will be coloring and then gluing to the sand timer. This way, when the timer is stopped due to player incompetence (bad) or a player finishing a word (good), once play is ready to resume, players will (hopefully) have an easy time remembering which end the timer was placed.

This game is a fun, family game for ages 8 and up. Along with being an enjoyable game, I think this help kids with spelling, hand-eye coordination, and even simple math.

INSTRUCTIONS
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Setup
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Place all the tiles on a smooth, flat table, face-down.
Shuffle the tiles.
Place the Word Sticks inside the Game Box.
Each player takes a Word Stick from the Box.
Start the timer.

Game Play
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Once the timer is triggered, each player, using only one hand, flips tiles over. If the tile which is flipped contains any letter needed to complete their word, that player takes that tile and MUST place it on their tile rack. If it is NOT a tile they require, they must flip the tile face-down and continue on to another tile. Tiles marked with a " ! " are Wild Tiles; They substitute any 1 letter. Once a player has found all the letters for his word, if he has not already done so, he must place all the letters in their correct order to spell out his word. When completed, this player shouts "Finished!" and pauses the timer. At this time, all other players must stop searching for letters and may not rearrange their tiles. The player who completed their word, then shows the completed word on his tile rack and the word stick. The player then places his tiles face-down and shuffles all the tiles thoroughly. Finally, this player grabs a new Word Stick, without looking at the word, and starts the timer. If this player does not want to complete the word he has chosen, he may return it to the box and select a new Word Stick AFTER he has started the timer.

If two or more players finish their word at the same time, those players all show their work. Those player shuffle their tiles and play begins again when the last player has drawn their new Word Stick following the rules above.

Once time runs out, all players remove their hands from the table and begin scoring. No points are received for incomplete Word Sticks. These Word Sticks are immediately put back into the box.

Scoring
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Points are awarded by the number of letters a word contains.

3 points for 3-letter words.
4 points for 4-letter words.
5 points for 5-letter words.
6 points for 6-letter words.
7 points for 7-letter words.

Also, if you have the most words completed with a certain number of letters, you receive points as well.

1 point for having the most 3-letter words completed.
2 points for having the most 4-letter words completed.
3 points for having the most 5-letter words completed.
4 points for having the most 6-letter words completed.
5 points for having the most 7-letter words completed.

Any questions or comments? I think I'm pretty much ready to try it out again with these revised rules.
I have a few names for it now:
Word Scramble
The Final Word
Wordcraft
Letter Hunt
Tile Pile
Letter-riffic