paper with lsd formula, bike and reminder for bicycle day,

acid april bicycle bike calendar cartoon celebration chalkboard chemist chemistry colorful commemoration date day diethylamide discovery drawn drive drug ecstasy enjoy experience fantasy formula hallucination hand holiday illustration leaf loose lsd lysergic medicine mobility note notebook outline paper perception pleasure postcard poster psychoactive psychopharmaceutical psychotropic science splash sport stimulant structural substance tape transport transportation travel trip typography vector vehicle