[COD] Undis Human Genes DNA Models Double Helix Science Toys Teaching Learning Education Toy

Features: 100 new and high quality. Made of superior material, durable to use. The principle of the product is: In a double-stranded DNA molecule, A=T, G=C. That is: A G T C or A C T G, Simple and lightweight, easy to install. Do not take up too much space and help children improve their ability to work and think independently. Products are enlightening teaching aids, and children can also learn simple and easy-to-understand scientific knowledge in the process of playing, Specifications: Color: As Shown. Material: Plastic. Product Size: 33x11.6cm. Package Content: 1 x Structure Column. 1 x Base. 1 x Sill Pillar. 1 x Structural Slab. 1 x Upper Cover. Features: 100 new and high quality. Made of superior material, durable to use. The principle of the product is: In a double-stranded DNA molecule, A=T, G=C. That is: A G T C or A C T G, Simple and lightweight, easy to install. Do not take up too much space and help children improve their ability to work and think independently. Products are