At least 4 OK!
1-Tesla Coil
2- Jacob's ladder(or a HV transformer)
3-Radiometer
4-Some kind of Robot (at least an Arm)
5-Organ (Color organ is fine)
6-Plasma ball or similar
7-Old test equipment (at least a Bulb)
8-SciFi Toys (SW, ST or Buzz)
9-Strange tools
10-Maybe a Rubick or rare puzzle
11-Of course LASERS (HeNe and Argon Optional).
12-Music for the Mood
13-Franky Experiment
Can some one help me I forgot the most Important.(friend of alzheimer).
PS The Veek with strangest tool win higher Status