Ensure your students or kids' future by sharpening their science skills Lab Pro's STEM kits. We have interactive kits about learning Light Technology, learning how to measure, building and designing batteries, ink chromatography and forensics, the chemistry of invisible inks, and more. Each kit has dozens of learning materials like classroom activities, DVDs, PDFs, and digital content. Lab Pro also offers next-day service in California and same-day service for will-calls.