Leapfrog Letter Factory is an educational DVD that has excellent reviews (827 customers rate it an average 5 out of 5 stars!) for teaching letters and sounds to toddlers, preschoolers and even school-aged kids!
Right now you can pick it up on Amazon for just $7.99. That's 43% off the list price of $14.99. Shipping is free when you spend $25 or more.