Safe material: Made of plastic material, which is durable and lasting for use. Giving: DNA - RNA model can cultivate children's interest in learning and is a good gift for children's early education. Educational toy: DNA Model Spiral Teaching Equipment a nice students educational toy that helps to get to close to science. Applies for Teaching: DNA Model Spiral Teaching Equipment is a demonstration model of biology teaching in middle schools. DIY assembly toy: Kids DNA Model train your children observation capability, thinking and analytical skills. Promote brain development. And cultivate children's interest in science and biological knowledge. Kids DNA Model train your children observation capability, thinking and analytical skills. Promote brain development. And cultivate children's interest in science and biological knowledge. It is a good gift for children's early education. Features: DNA Model -Color: As shown -Material: plastic -Size: 12.5x17 cm/4.92x6.69 inch. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Including 1xDNA Model