تماشای ویدئو 17 ILLUSIONS YOU SHOULD TRY YOURSELF از آی-ویدئو
Timestamps
00:52 DIY flying paper cube
02:00 Optical illusion
02:54 DIY paper spinner
03:47 How many numbers can you see here?
04:45 Can you see the mistake?
05:22 DIY hologram for your smartphone