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Inventions That Changed Everything — Ages 7 to 12 - Engineering Spreadsheet by 3D-LABS

📖 About This Book

Inventions That Changed Everything — Ages 7 to 12 is a professional STEM Books book published by 3D-LABS, Authored by a Team of 3D-LABS having field experience more than 23 years.

Format & Pricing: eBook PDF (instant download) — ₹449.00  |  Paper Book (physical, shipped) — ₹1,079.00. Lifetime re-download access included with eBook purchase.

Key topics: ages 7-12, engineering inventions, innovation for kids, internet history, invention history, inventions that changed the world. Publisher: 3D-LABS (Trichy, Hyderabad, London). Audience: Working engineers, engineering graduates, GATE/interview preparation, self-learners.

Inventions That Changed Everything — Ages 7 to 12

Price range: ₹449.00 through ₹1,079.00

📄 eBook PDF: ₹499.00 ₹449.00
📦 Paper Book: ₹1,079.00

📖 Inventions That Changed Everything — Ages 7 to 12 — 100-page professional PDF e-book by 3D-LABS. ⚡ Instant download. Written by practising engineers. 🇮🇳 India-focused. Lifetime access.

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Frequently Asked Questions — Inventions That Changed Everything — Ages 7 to 12

What exactly is "Inventions That Changed Everything — Ages 7 to 12" and who is it for?

Inventions That Changed Everything — Ages 7 to 12 is a professional engineering book published by 3D-LABS, written by practising engineers for working professionals, engineering graduates, and technical students in India. It provides structured, code-relevant, immediately applicable engineering knowledge — not academic theory. Available as an instant-download eBook PDF at ₹449.00 (sale, regular ₹499.00) and a physical Paper Book at ₹1,079.00.

What format does this book follow and what standards does it reference?

All 3D-LABS engineering books follow a practice-first structure: each chapter is built around worked examples, engineering diagrams, and real-world applications. Where applicable, content references Indian Standards (IS codes, BIS), international standards (ASME, AISC, IEC, IEEE), and India-specific regulations such as IGBC guidelines for green construction. Every formula includes units, assumptions, and the applicable standard edition.

How do I access this book after purchase?

eBook PDF: Instant download — a secure download link is delivered via email and your 3D-LABS account dashboard immediately after payment confirmation. No shipping wait. Lifetime access included — re-download anytime. Paper Book: Printed and shipped to your delivery address in India. Expect standard courier delivery timelines.

Is this book relevant for Indian engineering practice and IS codes?

Yes. 3D-LABS books are specifically written for Indian engineering context. Content includes Indian Standards (IS 456, IS 800, IS 1893, SP 46, etc. where relevant to the topic), Indian industry norms, and practical examples from Indian project environments. This distinguishes 3D-LABS books from generic international textbooks that may not reflect Indian code requirements or local practice.

Who authored this book and what is their expertise?

This book is authored by the engineering team at 3D-LABS — a multi-disciplinary engineering consultancy with offices in Trichy (Tamil Nadu), Hyderabad, and London. 3D-LABS provides engineering design, analysis, and consulting services to industry, giving its authors direct, current knowledge of engineering practice. Books are reviewed for technical accuracy before publication. 3D-LABS books are used by 10,000+ engineers and students across India.

What is the difference between the eBook PDF and the Paper Book?

The eBook PDF is a digital file: instant download, searchable, print-friendly, accessible on any device, lifetime re-download. The Paper Book is a physical printed copy shipped to your address — identical content, ideal for desk reference and annotation. The Paper Book is priced at ₹700 more than the eBook PDF to cover printing and shipping costs.

This Inventions That Changed Everything eBook from 3D-LABS is written for engineers and students who want a clear, practical reference they can apply immediately.

Inventions That Changed Everything — Ages 7 to 12 is an illustrated history of 30 world-changing inventions from the wheel through CRISPR told in accessible language with accurate technical facts and inventor stories.

What 30 inventions are featured?

Wheel (~3500 BC, Mesopotamia), Gutenberg press (1440, movable type), Watt steam engine (1769, efficiency eta=W/Q_in), Bell telephone (1876, diaphragm vibration), Wright aeroplane (1903, four forces), transistor (Bell Labs 1947), Internet (ARPANET 1969), GPS (DOD 1973), smartphone (2007), and CRISPR (Doudna-Charpentier 2012). Each gets a 2-page illustrated spread.

What Indian innovations are featured?

Zero/positional notation (Brahmagupta 628 AD enabling computers), Wootz steel (~300 BC Indian Damascus steel), shampoo (champo oil 18th century), Yoga (Indus Valley ~3000 BC), and ISRO Mangalyaan MOM (cheapest Mars mission, Rs 450 crore). Each explained with the technical principle behind why it changed the world.

What activities and curriculum are included?

Each invention includes a Try It activity (paper telephone with vibrating cup and string, pinwheel steam turbine). Aligned with NCERT Science and Social Science Grade 4-7 history of technology and NEP 2020 Foundational Stage curiosity and inquiry.

How do I access this book after purchase?

eBook PDF: Instant download via email and 3D-LABS dashboard. Paper Book: Printed and shipped to India.

What’s Included

An instant PDF download covering the core concepts, practical examples, and key references — ready to read on any device.

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Additional information

Format

eBook PDF, Paper Book

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