Molymod Advanced Mini DNA 22‑Layer Kit – Double Helix Model with Major & Minor Grooves

The Molymod Advanced Mini DNA 22‑Layer Kit is a detailed and visually striking molecular model designed to illustrate the structure of DNA with exceptional clarity. This advanced version accurately represents the double helix, including clearly defined major and minor grooves, making it an invaluable teaching aid for secondary and post‑16 biology lessons.

Comprising 22 base pairs, the model allows students to explore complementary base pairing and the repeating sugar‑phosphate backbone of DNA. Colour‑coded components help learners easily identify each nitrogenous base, reinforcing understanding of DNA structure and function through hands‑on construction.

Supplied with a sturdy stand and support rods, the completed model stands approximately 44cm high and provides a clear, three‑dimensional reference point for classroom demonstrations or group study. All components are packed in a durable plastic storage box for easy organisation and reuse.

Kit Contents

• 22 base pairs comprising:
  • 11 × Thymine (T) – orange
  • 11 × Adenine (A) – blue
  • 11 × Guanine (G) – green
  • 11 × Cytosine (C) – yellow
• Side chain components:
  • 44 × Deoxyribose – red
  • 44 × Phosphate – purple
• Stand and supports:
  • 1 × Model stand (grey)
  • 2 × Support rods (grey)
  • 23 × Spacers
  • 1 × Cap (white)
• Assembly leaflet
• Packed in a plastic storage box

Model dimensions (assembled): approximately 44cm high × 11cm diameter.

Key Features

• Advanced mini DNA double‑helix model
• Represents major and minor grooves
• Includes 22 base pairs for clear structural repetition
• Colour‑coded bases for easy identification
• Sturdy stand for clear classroom display
• High‑quality, durable Molymod components
• Reusable and suitable for repeated teaching use

Ideal for School Science & Biology Lessons

Ideal for KS4, GCSE, A‑Level, and post‑16 biology, the Molymod Advanced Mini DNA 22‑Layer Kit helps students develop a strong understanding of genetic structure through visual and kinaesthetic learning.

• Teaching the structure of DNA
• Explaining base pairing and the sugar‑phosphate backbone
• Introducing major and minor grooves
• Supporting topics in genetics and molecular biology
• Enhancing demonstrations with a large 3D visual model

Detailed, engaging, and scientifically accurate, the Molymod Advanced Mini DNA 22‑Layer Kit is a premium teaching resource that brings molecular genetics to life and supports confident, effective biology instruction.