Found this one but end date of June 30th 2008?
http://sweepstakes.kalmbach.com/sweeps/default.aspx?swID=326&auth=TcvaFkPq2X
Official Rules:
1. No Purchase Necessary. Official entry forms are bound in the "World's Greatest Hobby" booklet or may be received when attending a World's Greatest Hobby event. The 2008 World's Greatest Hobby Monthly Sweepstakes is open to residents of the United States and Canada (except Quebec) only, 18 years of age or older. Employees (and their dependents and immediate household members) of Kalmbach Publishing Co., their advertising and promotional agencies and sponsoring companies are not eligible to participate.
2. Sweepstakes Entry. To enter, complete and mail the official entry form or a postcard with name, address, city, state or province, and zip or postal code to: 2008 World's Greatest Hobby Sweepstakes, P.O. Box 149, Waukesha, WI 53187-9808. Or, enter online by filling in the Online Entry Form and hitting the SUBMIT key. The Online Entry Form must be filled out completely to be eligible. Incomplete or defaced entry forms are void. One entry per household. The official ending date for the June 2008 World's Greatest Hobby Sweepstakes will be
June 30, 2008, and all entries must be transmitted or postmarked no later than that date.
3. Prizes and Odds of Winning. One starter train set of the winners scale/gauge choice as indicated on the entry form, retail value will vary based on prize awarded. Cash equivalents of merchandise will not be awarded. Substituting prizes is not allowed. Any applicable federal, state, and/or local taxes are the responsibility of the winner. Odds of winning depend on the number of entries received. Total circulation for the World's Greatest Hobby booklet is estimated at 100,000. Sweepstakes void in Quebec and void where prohibited.
4. Validation and Acceptance. Winners in the 2008 World's Greatest Hobby Sweepstakes will be selected in a random drawing. Canadian prize awards subject to skill test requirement. By entering the sweepstakes, participants agree to be bound by these official rules and all decisions of the judging organization. Sweepstakes entries void if not legible, not completed in full, not obtained legitimately, or if forged, photocopied, mechanically reproduced, late or tampered with. The potential winners may have to sign and return an Affidavit of Eligibility, publicity release and Release of Liability within fourteen (14) days of notification. In the event of non-compliance, alternate winners will be randomly drawn. No responsibility is assumed for lost, stolen, misdirected or late entries or notifications. All sweepstakes entries become the property of the sponsor and will not be returned.
5. Winner's List. For a list of winners, send a stamped, self-addressed envelope to: June 2008 World's Greatest Hobby Sweepstakes
Winners List, P.O. Box 1612, Waukesha, WI 53187-1612. Residents of FL, VT, and WA may omit stamp. Requests must be received by June 30, 2008.
6. World's Greatest Hobby, Model Railroad Industry Association, and Kalmbach Publishing Co. shall not be liable for any injury, loss, damage, cost or expense arising, directly or indirectly, in connection with sweepstakes and the prize awarded.
7. Sponsored by Kalmbach Publishing Co., P.O. Box 1612, Waukesha, WI 53187-1612.