Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: The power of three and four wasn’t quite 8 x 8 x 8.

2: A year late for a limited edition that was cut to 20% in under 10 months.

3: Despite its choice of trackball or keypad, it weighed more than some desktops.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.