Things Stuff Phone Cases - iPhone and Android

Description: I Fix Stuff and I Know Things Funny Mechanic Garage Workshop

Description: Fix Stuff And Know Things

Description: Is there anyone in your family or friends who loves science puns, biology, physics, chemistry, and has a fun sense of humor? If yes, this funny saying is a perfect hilarious gift or present idea for them or you.

Description: I-Fix-Stuff-and-I-Know-Things

Description: That's What I Do I Fix Stuff And I Know Things

Description: KNOWER OF STUFF and FIXER OF THINGS

Description: Knower of Stuff Fixer of Things

Description: Perfect for all the fixers in your life, whether they are dad, mom, brother, sister, friend, or anyone.

Description: That's What I Do I Fix Stuff and I Know Things Funny

Description: Great gift idea for teachers, tutors, mentors, and educators. Perfect for birthdays, holidays, Christmas, or Teacher Appreciation Week with a clever and sarcastic message.

Description: A bold vintage mechanic design featuring a skull in a work cap surrounded by wrenches, hammer, pliers, bolts, and rugged garage typography. Perfect for tool lovers, mechanics, handymen, DIY dads, repair pros, garage builders, and anyone known as the person who can fix just about anything.

Description: Simple, confident, and universally relatable — this Knower of Stuff, Fixer of Things design is perfect for the go-to person everyone relies on. Ideal for mechanics, engineers, dads, DIY lovers, technicians, IT folks, and practical problem solvers. Clean minimalist typography makes it easy to wear anywhere, from the workshop to everyday casual life. A great gift for anyone who always figures it out and fixes it.

Description: A monochrome design on a black background. At the top, large white text reads 'KNOWWER OF STUFF'. Below that, slightly smaller white text reads 'FIXER OF THINGS'. Centered in the middle are crossed tools: a hammer and a screwdriver. White horizontal lines appear on either side of the tools.

Description: Knower Of Stuff Fixer Of Things. Simple graphic for the problem-solver. A relatable design for those who are handy and informed. Perfect for casual wear.

Description: I Fix Stuff and Know Things Handyman Humor

Description: A lizard with a sleepy expression holding a coffee cup, with the text "I HAVE TO SAY WEIRD STUFF OR I'LL DIE."

Description: I Fix Stuff And I Know Things" tee: Showcases problem-solving skills and broad knowledge with humor and confidence.

Description: Where the Wild Things Are + Comics = Let the Amazing Rumpus Start

Description: Things I Do In My Spare Time Baseball design

Description: Things I Do In My Spare Time Baseball design

Description: I Fix Stuff and Know Things Tool Badge

Description: A monochrome text-based graphic with white, bold, sans-serif lettering on a black background. The text is arranged in four lines, reading "I'M AN ENGINEER.", "I KNOW THINGS", "ABOUT", and "STUFF.". The font has a slightly hand-drawn, uneven quality.

Description: That's What I Do, I Fix Stuff and I Know Things - Funny Car Mechanic Saying

Description: A bold, black background with white, sans-serif text arranged in three lines. The text reads "I'M AN ENGINEER.", "I KNOW THINGS", and "ABOUT STUFF.". The font is simple and uppercase.

Description: Things I Do In My Spare Time Baseball design

Description: Knower Of Stuff Fixer Of Things Funny Dad Handyman Humor

Description: A bold distressed handyman design featuring a patriotic fist gripping a wrench with the phrase “That’s what I do, I fix stuff and I know things.” Perfect for mechanics, repairmen, DIY builders, and anyone known as the one who gets things fixed.

Description: Knower of Stuff Fixer of Things Wavy Font

Description: A bold white text version of “Knower of Stuff, Fixer of Things” with a distressed American flag made from tools. Perfect for handymen, DIY lovers, mechanics, maintenance workers, builders, repair pros, and anyone who is always the one people call when something breaks. This patriotic tool-themed design is great for hardworking problem solvers who love fixing, building, repairing, and creating. A fun gift for dads, grandpas, husbands, makers, garage tinkerers, and blue-collar workers.

Description: A bold That's What I Do I Fix Stuff And I Know Things design for mechanics, handymen, repairmen, dads, and tool lovers. This I fix stuff graphic features a fist holding a wrench with a vintage badge style, making it a great gift for garage workers, DIY dads, maintenance techs, and Mr Fix It personalities.

Description: "That’s what I do. I fix stuff and I know things" is the ideal design for those who always have a solution and a witty comment up their sleeve. Perfect for those who feel like the MacGyver of everyday life, with a dose of humor and unmatched confidence!

Description: A monochromatic text-based composition with three lines of text in a distressed, brush-stroke font. The top line reads "I'M AN ENGINEER.", the middle line reads "I KNOW THINGS", and the bottom line reads "ABOUT STUFF.". The text is white on a black background.

Description: A graphic with four lines of bold white uppercase text on a black background. The text reads 'I'M A CHEMISTRY TEACHER. I KNOW THINGS ABOUT STUFF.' arranged in a stacked, centered layout using a distressed sans-serif font style.

Description: This is for the person you call at 3 am. for help. The least you can do is give them a gift!

Description: Featuring “Knower of Stuff and Fixer of Things” in a clear, niche-focused handyman graphic.

Description: A bold typographic composition with the word "RELAX" in large white capital letters against a red rectangular background. Below this, in white capital letters against a black background, are the phrases "I KNOW THINGS", "AND I FIX,", and "STUFF !". The text is blocky and impactful.