Prices
| Product | Retail Price |
| Secret Code Breaker, Secret Message Kit | $9.95* |
| Secret Code Breaker – A Cryptanalyst’s Handbook | $11.95* |
| Secret Code Breaker II – A Cryptanalyst’s Handbook | $12.95* |
| Secret Code Breaker III – A Cryptanalyst’s Handbook | $12.95* |
| Secret Code Breaker Cipher Slide | $5.95 |
| Secret Message Kit Invisible Ink Pen (writer/developer) | $3.95 |
| Secret Code Breaker Cipher Pencil Set |
$2.95 |
| Secret Message Kit Cipher Disks (2) | $1.95 |
| *US Postal Service Media Mail rate shipping cost included | – |
40 % Wholesaler Discount for item quantities of 5 or more