Hardware & software:
- Neverware at http://www.neverware.com for free from Leo Laporte.
- BL-123 Pair of 1″ x 2″ x 3″ Precision Steel 1-2-3 Blocks for $14.95 (on Amazon) from Andy Ihnatko.
- ComiXology Unlimited at http://comiXology.com for $5.99/month from Rene Ritchie.
- Monster Truck for various $ (on Amazon) from Jim Darlymple