Ace Hardware offers the Star Shower Slide Show As Seen on TV Holiday LED Projector for $5.99. Opt for in-store pickup to avoid the $8.22 shipping fee. That's $14 under our mention from last December and the lowest price we've seen. (It's the best deal now by $15.) It features 12 slides, including six for Christmas.
Also available is the Night Stars Premium Series Laser/LED Light Projector for $9.99. Choose in-store pickup to avoid the $8.43 shipping fee. That's the lowest price we could find by $10. It has red and green colors and covers up to 3,000 square feet.
Before you spend another dollar on items and services like these, check with your public library. You will likely be surprised by what it offers for free.