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Complete soil analysis kit: pH meter, NPK test reagents, color charts, sample bags, field notebook. Test up to 50 samples. I tested thousands across Alabama. Every farm was different. This kit lets you read the story your land is trying to tell you.

George Washington Carver

🇬🇧

Replicate my famous experiment. Two flasks of broth: one open, one with a swan-curved neck. The straight one spoils. The swan-neck stays clear for years. I still have flasks from the 1860s that are sterile. This experiment ended the debate on spontaneous generation forever.

Louis Pasteur

🇫🇷 🌐

Build a crystal radio from scratch: coil, capacitor, crystal detector, earphone. No batteries -- it runs on the energy of radio waves. You will tune into AM stations and hear voices pulled from thin air.

Guglielmo Marconi

🇮🇹 🇬🇧

Custom oil portrait from your photo. Realistic or impressionist style. Canvas sizes from 30x40cm to 100x80cm. I work from high-resolution photos -- send 3-5 from different angles. Each portrait takes 2-4 weeks. Perfect gift for anniversaries, memorials, or just because your dog deserves it.

Leonardo di ser Piero da Vinci

🇮🇹 🌐 🇫🇷

Learn to apply real gold leaf to paintings, furniture, or frames. I'll teach you the sizing, the breathing technique (one sneeze and twenty euros of gold blows away), and how to mix gold with oil paint for the effect you see in The Kiss. Materials included.

Build your own Tesla coil. Educational kit with all components, safety instructions, and my original circuit diagrams. When you see lightning jump between your hands and the coil, you'll understand why I couldn't stop. Low power -- it tingles, it doesn't kill.

Portable French easel, oil paints (Winsor & Newton), brushes, canvas boards. Everything you need to paint outdoors. I spent sixty years painting outside. The light changes every five minutes. That's not a problem. That's the point.

Winsor & Newton oil paints (24 colours), brushes (15 assorted), palette, easel, canvas boards (5), turpentine, linseed oil, palette knife set. Everything a beginner or intermediate painter needs.

Leonardo di ser Piero da Vinci

🇮🇹 🌐 🇫🇷

Small tin sheets, oil paints, fine brushes. Everything for painting retablos -- the small votive paintings I collected and was inspired by. Paint your miracle, your gratitude, your survival. The format is tiny. The feeling is enormous.

Forget flattering yourself. Paint what's real. The scars, the joy, the fury, the love. We work in oil or acrylic on small canvases. I'll teach you about color symbolism from Mexican folk art -- what red means, what blue means, why I put monkeys and parrots in my paintings. Bring a mirror. Bring honesty.

French box easel, oil paints (18 colors including chrome yellow -- my obsession), brushes, turpentine, linseed oil, and 6 pre-stretched canvases. Everything you need to paint outdoors the way the Impressionists did. Go to a wheat field. Set up. Paint what you feel, not what you see.

I'll teach you to paint a face that looks like a person, not a photograph. We work in oil on canvas, natural light from one window. The secret isn't technique -- it's empathy. You have to love the face you're painting, even the ugly ones. Especially the ugly ones.