Product description
100% brand 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;