PNG SVG MORE
Mixed
Outline
2 Color Line
bulb, creative, light
Black
349x512
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Random - Crafticons
bulb, Misc
512x512
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Miscellaneous
bulb, Idea, miscellaneous
Filled outline
Line color mix Vol.1
Electric, Check, bulb
OldLace
Line color mix Vol.2
Electric, Light bulb, new idea
Glyph
Free Misc Icon Set 2
power, bulb, lamp
Flat
Flat Design Icons (Set 1)
concept, imagination, bulb
Lavender
PNG ICO ICNS MORE
Things
bulb, thought, Energy
Khaki
One Day
paper, Idea, quote
bitsies!
lamp, Idea, electricity
Social Messaging & Productivity Mix Icons
light, Idea, bulb
506x512
Higher Education Icon Set
bulb, brainstorming, lightbulb
SteelBlue
256x256
Internet and web
bulb, Energy, web
DarkSlateGray
Pixel
8-Bit
electricity, charge, Bit
Octicons
bulb, light
WPZOOM Developer Icon Set
Idea, bulb, light
Linecons Free – Vector Icons Pack
Eightyshades
light, bulb
Toolbar icon set 2
off, bulb
LightBlue
32x32
bulb
Beige
Retina Display Icons
Idea, on, bulb
Silver
64x64
light, bulb, off
3D
Isloo
128x128
Shine 7
400x400