1. 3 SIMPLE INVENTIONS ( REMOTE CONTROL VACUUM CLEANER ...)

    3 SIMPLE INVENTIONS ( REMOTE CONTROL VACUUM CLEANER ...)

    6
    2
    18
  2. 3 SIMPLE INVENTIONS ( CABINET LIGHTING ...)

    3 SIMPLE INVENTIONS ( CABINET LIGHTING ...)

    31
    8
    75
  3. 3 SIMPLE INVENTIONS ( COIN CLASSIFICATION MACHINE ...)

    3 SIMPLE INVENTIONS ( COIN CLASSIFICATION MACHINE ...)

    29
    10
    47
  4. 3 SIMPLE INVENTIONS ( WINDMILL SAW ...)

    3 SIMPLE INVENTIONS ( WINDMILL SAW ...)

    26
    12
    37
  5. 3 SIMPLE INVENTIONS ( MINIATURE VACUUM CLEANER ...)

    3 SIMPLE INVENTIONS ( MINIATURE VACUUM CLEANER ...)

    16
    6
    77
  6. 5 SIMPLE INVENTIONS ( AUTOMATIC FEEDING MACHINE ...)

    5 SIMPLE INVENTIONS ( AUTOMATIC FEEDING MACHINE ...)

    23
    10
    43
  7. 3 SIMPLE INVENTIONS ( ELECTRIC TOOTHBRUSH ...)

    3 SIMPLE INVENTIONS ( ELECTRIC TOOTHBRUSH ...)

    15
    7
    33
  8. 4 SIMPLE INVENTIONS ( ELECTRONIC BOOKMARK ...)

    4 SIMPLE INVENTIONS ( ELECTRONIC BOOKMARK ...)

    15
    7
    42
  9. 5 SIMPLE INVENTIONS ( INFRARED LEVEL ... )

    5 SIMPLE INVENTIONS ( INFRARED LEVEL ... )

    16
    11
    102
  10. 3 SIMPLE INVENTIONS ( ANTI THEFT ALARM ... )

    3 SIMPLE INVENTIONS ( ANTI THEFT ALARM ... )

    12
    5
    31
  11. 3 SIMPLE INVENTIONS ( VIBRATION SHOVEL ...)

    3 SIMPLE INVENTIONS ( VIBRATION SHOVEL ...)

    9
    4
    48
  12. 4 SIMPLE INVENTIONS (ELECTRIC PENCIL SHARPENER ...)

    4 SIMPLE INVENTIONS (ELECTRIC PENCIL SHARPENER ...)

    4
    1
    37
  13. 2 SIMPLE INVENTIONS ( ELECTRIC REAMING SHEAR ... )

    2 SIMPLE INVENTIONS ( ELECTRIC REAMING SHEAR ... )

    5
    1
    16
  14. 2 SIMPLE INVENTIONS ( CUP BLENDER MACHINE ...)

    2 SIMPLE INVENTIONS ( CUP BLENDER MACHINE ...)

    4
    1
    11
  15. 5 SIMPLE INVENTIONS ( MUSKET ... )

    5 SIMPLE INVENTIONS ( MUSKET ... )

    8
    4
    74
    1
  16. 3 SIMPLE INVENTIONS ( ANTI-THEFT DOOR ALARM ...)

    3 SIMPLE INVENTIONS ( ANTI-THEFT DOOR ALARM ...)

    295
    112
    388
  17. 3 SIMPLE INVENTIONS ( MINIATURE CHAINSAW....)

    3 SIMPLE INVENTIONS ( MINIATURE CHAINSAW....)

    255
    93
    365
    1
  18. 3 SIMPLE INVENTIONS ( SOLAR LIGHT...)

    3 SIMPLE INVENTIONS ( SOLAR LIGHT...)

    186
    73
    245
  19. 5 SIMPLE INVENTIONS ( LAUNCHER ...)

    5 SIMPLE INVENTIONS ( LAUNCHER ...)

    126
    48
    217
  20. Simple but amazing inventions

    Simple but amazing inventions

    35
  21. 3 SIMPLE INVENTIONS ( BLUETOOTH SPEAKER ...)

    3 SIMPLE INVENTIONS ( BLUETOOTH SPEAKER ...)

    23
    10
    80
    1