There is a Coby MP620 4GB Video MP3 player with FM radio that you can get for $18.99 + shipping is free with a $25 purchase or Amazon Prime.
If you are looking for a MP3 for your kids this might be your answer! The reviews are REALLY good on it as well!
- 4 GB capacity for storage of up to 1000 songs, 3500 photos, or 4 hours of video
- 8 hours of music playback on a single charge
- 1.8-inch color TFT LCD display with 128 x 160 pixel resolution
- Supports MP3 and WMA audio files; MTV video files; JPEG and BMP images; TXT text files
- One-year limited warranty
Go HERE to get yours!