SiftStock

Concepts

Browse free concept stock images featuring lightbulb ideas, crumpled paper balls, hand-drawn sketches, and bright yellow backdrops.

1,221 results

Crumpled paper balls arranged on chalk-drawn steps leading to a lightbulb on a blackboard
Crumpled yellow paper lightbulb with hand-drawn rays and arrow pointing to white origami boat surrounded by wooden cubes on yellow background
Crumpled yellow paper ball on chalk-drawn lightbulb with wooden gears on blackboard surface
Yellow cube with lightbulb icon and white cubes with arrows arranged in a line on blue surface
Businessman holding open hands presenting a sketched innovation concept in an office setting
Glowing lightbulb rising from a pile of crumpled paper on a blue surface
Four crumpled paper balls in a row with a hand-drawn lightbulb below on a blue background
White paper thought bubble with hand-drawn lightbulb on yellow background
Crumpled colorful paper balls arranged around a hand-drawn lightbulb on a light blue surface
Crumpled yellow paper balls arranged around a hand-drawn lightbulb on white paper
Glowing lightbulb rising above layered paper clouds on dark gradient background
Magnifying glass over a glowing lightbulb on blue paper surface
Yellow lightbulb surrounded by white bulbs on mint background
Yellow lightbulb on navy blue surface surrounded by white chalk-drawn arrows and speech bubbles
Wooden blocks arranged as steps leading to a hand-drawn lightbulb with crumpled yellow paper inside on a yellow background
Crumpled yellow paper ball placed on a hand-drawn lightbulb sketch in a notebook
Red origami paper plane with hand-drawn rocket flames next to a lightbulb outline containing a crumpled yellow paper ball on textured brown surface
Crumpled yellow paper ball placed on red cardboard with hand-drawn lightbulb outline
Yellow lightbulb centered on textured paper with hand-drawn sketches and abstract blue and green shapes
Hand-drawn lightbulb in red yellow and blue surrounded by sketches of charts arrows and diagrams on textured paper
Crumpled colorful paper balls lined up leading to a hand-drawn lightbulb with arrows radiating from it on a white background
Yellow crumpled paper ball shaped as glowing lightbulb floating above white paper balls on plain surface
Crumpled yellow paper ball placed beside a chalk-drawn lightbulb on a black surface
Crumpled yellow paper ball inside a chalk-drawn lightbulb on dark surface with yellow pencil nearby
Glowing lightbulb on clipboard surrounded by crumpled paper and pencils on dark surface
Crumpled yellow paper shaped as a lightbulb on a chalkboard surface with paperclips radiating around it
Crumpled yellow paper ball beside hand-drawn lightbulb on white sheet
Green painted lightbulb standing on colorful paper shapes with hand-drawn sketches around it
Crumpled paper ball and hand-drawn lightbulb sketch on yellow surface
Row of white tiles with lightbulb icons leading to a yellow tile with wow text on orange surface
Crumpled yellow paper inside a hand-drawn lightbulb on a blue background
Crumpled yellow paper ball shaped like a light bulb with chalk drawing on pink background
Crumpled yellow paper ball inside hand-drawn lightbulb outline on blue background
Crumpled yellow paper ball shaped like a lightbulb with hand-drawn base and rays on white surface
Multiple matte yellow light bulbs scattered on blue surface with one central bulb highlighted by radiating lines
Lightbulb glowing among crumpled blue paper balls on white surface with hand-drawn strings and rays
Crumpled yellow paper ball placed on hand-drawn lightbulb sketch on white paper
Crumpled yellow paper ball placed on a hand-drawn lightbulb sketch on white paper
Vintage brass magnifying glass focusing on a lightbulb drawing among paper head cutouts with question marks on a yellow surface
Glowing lightbulb centered among crumpled paper balls on dark surface
Hand-drawn lightbulb outline filled with crumpled yellow paper on textured white surface
Crumpled yellow paper ball on a lightbulb with chalk-drawn rays on a blackboard
Crumpled colorful paper balls arranged around a hand-drawn lightbulb on white surface
Crumpled yellow paper ball placed inside a hand-drawn lightbulb outline within a human head profile on white paper
Crumpled yellow paper shaped as a lightbulb on white paper with black lines radiating from it
Crumpled yellow paper ball placed on a hand-drawn lightbulb sketch on white paper
Yellow lightbulb with white sketched symbols on a blue wall surface
Glowing lightbulb centered among six crumpled rainbow-colored paper balls on dark wooden surface
Crumpled yellow paper ball placed inside hand-drawn lightbulb sketch on white paper
Magnifying glass focusing on a yellow lightbulb drawn on teal paper
Metallic epoxy floor in open-concept home interior with kitchen and recessed lighting
Crumpled yellow paper ball inside hand-drawn lightbulb outline on white paper
Crumpled yellow paper ball placed inside a hand-drawn lightbulb outline on white paper
Woman in dark suit standing with back to camera facing bright lightbulb-shaped doorway in concrete room
Crumpled green paper ball placed inside a hand-drawn lightbulb outline on white surface
Crumpled yellow paper ball placed inside hand-drawn lightbulb outline on light blue background
Wooden blocks arranged in square with lightbulb symbol on blue surface
Four men with arms crossed standing in front of chalkboard with sketched innovation process above them
Two hands exchanging a glowing lightbulb and a dollar coin against a teal background
Single glowing yellow lightbulb among scattered white bulbs on red surface
Crumpled colorful paper balls arranged in a circle around a central lightbulb on a dark surface
Woman holding open palm with floating lightbulb, question mark and exclamation mark above it
White led lightbulb surrounded by colorful crumpled paper balls on dark surface
Crumpled yellow paper ball with handwritten idea on gray surface
Yellow pencil with lightbulb tip on blue background
Glowing lightbulb rising from a cloud against a dark background
Glowing incandescent lightbulb on wooden surface with chalkboard diagrams in background
Miniature eco city model with green leaves and smoke-emitting chimneys on a large leaf resting on soil
Yellow lightbulb with question mark resting on sketchbook pages filled with idea drawings
Glowing yellow lightbulb in a row of unlit blue bulbs on a dark surface
Glowing lightbulb hanging above chalk-drawn lightbulbs on a blackboard surface
Glowing lightbulb on blueprints with blurred team in office background
Multiple yellow light bulbs scattered in a flat lay on orange background with one glowing to symbolize idea generation
Yellow paper speech bubble with cutout word ideas on blue background
Three colored lightbulbs arranged in a row on a white surface with illustrated glow lines
Hand-drawn lightbulb sketch filled with colorful lines and diagrams on textured paper
Wooden tokens with yellow lightbulb icons connected by string in a network pattern on light blue surface
Yellow lightbulb resting on sharpened yellow pencil against blue background
Wooden cube with smiley face next to speech bubble containing lightbulb on yellow background
Four matte yellow light bulbs hanging from black cords against a teal background with illustrated glow lines
White lightbulb resting on paper with hand-drawn sun and cloud sketch
Yellow lightbulb with hand-drawn rays and pencil on white surface
Lightbulb launching upward like a rocket with smoke and flame against a gray background
Yellow plastic lightbulb beside loading progress bar on red background
One hand in a suit pointing at another hand holding a lightbulb against a white background
Glowing lightbulb surrounded by crumpled paper on blue surface
Yellow lightbulb on yellow pencil against yellow background with radiating lines suggesting illumination
Two wooden peg figures standing beside a glowing incandescent lightbulb on a wooden surface
Yellow lightbulb atop sharpened yellow pencil on teal background with hand-drawn rays and copyspace
Glowing incandescent lightbulb embedded in a dark maze pattern on a textured wall
Lightbulb with orange spiral ribbon replacing glass globe on gray surface
Glowing lightbulb with crumpled yellow paper and paper airplanes on a chalkboard surface
Five painted lightbulbs in a row with one blue bulb labeled idea and smiling face on yellow background
Yellow sticky note with hand-drawn blue lightbulb on white surface
Origami crane flying above a row of crumpled orange paper balls on a blue surface
Hand-drawn yellow lightbulb sketch on dark blackboard surface with radiating lines and empty space to the left
Wooden cube with lightbulb and question mark cutouts glowing on dark surface
Four white dice in a row with brain symbols and one glowing lightbulb on a reflective gray surface
A toy rocket suspended inside a clear lightbulb on a plain surface
Colorful lightbulb sketch with glowing multicolored strokes on black background