Browse 157 unknown video effects & stock videos from $9 sorted by best sellers. All from our global community of videographers and motion graphics designers.

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unknown 157
man 39
woman 28
caucasian 26
hand 20
question 18
silhouette 16
mysterious 15
space 15
person 14
science 14
female 13
girl 13
scientist 13
close-up 12
liquid 12
beaker 11
beakers 11
blood 11
hispanic 11
latina 11
latino 11
mexican 11
test 11
adult 10
solution 10
abstract 9
problem 9
background 8
holding 8
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No sales 104
Low 18
Medium 28
High 7
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Your easier way to create video.

Smart templates for instant intros, Instagram stories and more.

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