assignment college draw drawing education eraser graduate hand handwriting highschool homework lead learn line pen pencil school study teach writing bio hazard biohazard biological biological hazard label medical medical warning specimen bag warning bear birthday cake chocolate decoration eat food hands-up icing kid party smile sweets teddy aid art arts black blue circle circular cmyk color colorful colors colour colourful colours concept conceptual cyan design flower flowers fruit fruits geometric graphic green image orange photo photograph picture pink plant plants purple red resource rgb round shape spectrum stock texture tool vibrant violet visual wheel white yellow