This offer expires May 17th at 11:59PM CT. Good while supplies last. Not applicable to gift certificates, shipping fees, or taxes. No adjustment of previous purchases. Void where prohibited. This discount may not be valid with other offers. Employees of Horizon Hobby, LLC. or its affiliated companies, members of their immediate families and individuals living in the same households are not eligible to receive this discount. Prices, availability and specifications are subject to change without notice. Coupon cash value 1/100th of 1 cent.