Portal 2 sentry turret (inflatable)

 40" tall. ThinkGeek; single turret - $25; three-turret army - $60.

Handmade leather TARDIS journal

Approximately 7 1/4" x 5"; cover is made from 5/6 oz. leather; holds 240 unlined pages that have been hand sewn with blue waxed nylon/cotton blend thread. Etsy, $54.

Doctor Who stand-ups

Doctor Who & TARDIS cardboard standups. Each one is about 6 feet tall. My Amazon store, $30. - 50.

Star Trek bathrobes

Available in Kirk, Spock, Scotty, or Uhura. ThinkGeek, $40 - $60.

Your Star Trek fan might also like: Trouble-free Tribbles or Star Trek iPhone case

Tetris heart clock

Hand made wooden clock. Etsy, $60.

You might also like:
"Video games ruined my life" t-shirt
Mario clock
8-bit tie
"The cake is a lie" decal.

Mario clock

A timely gift (o ho!) for retro gamer geek. 8-bit Mario clock with Goomba pendulum. From ClockworkOregon on Etsy, $55. Also available without pendulum, $45.

You might also like:
"Video games ruined my life" t-shirt
Tetris clock
8-bit tie
"The cake is a lie" decal.