Dna Helix Activity Model

Suitable for KS3+. Easy to construct the three dimensional model of DNA. Once completed, model can be rotated on its sturdy base.Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a centerrod representing hydrogen bonds. Two flexible strands signifying alternating pentose and phosphate units attach to the end of each pair, forming the double helix. Once completed, model can be rotated on its sturdy base. Includes enough materials to construct one models. Supplied with manual.Size 13 x 13 x 45 cm approx. Weight 250 g approx.