- Light and Vision (95)
- MatheMagics (67)
- Mindscapes (53)
- Water, Nature, Chaos (47)
- Mechanicum (46)
- Mirrors in Mind (44)
- Current and magnets (37)
- Technorama Outdoors (36)
- (25)
- et cetera (20)
- Wooden machines (20)
- Inventor's Workshop (11)
- (7)
- Inner courtyard (6)
- Forecourt (3)
- Toy Trains (2)
- Labore (1)
- Thema '' (3)