Metronome (Mechanical) Reactors Timer (Electronic Chronoscope) Maze Learning       Passi Test of Creativity Mirror Drawing Colour Mixture Electrical       Finger Dexterity Board Test Kinesthic Figural After Effect Steadiness Tester Electrical       Cube Construction Test Problem Solving Concept Formation Memory Drum Electrical With Four Variable Speed       Tachitoscope Fall Door Type Memory Drum Ergo graph       Muller Iyre with Stand Depth Perception Apparatus Color Preference Apparatus           Card Sorting Tray ( Habit Interference)