Colour:A Description: 1. Train your children's observation capability, thinking, and analytical skills. 2. Made of high-quality material, which is durable and lasting for use. 3. Happy and easy to learn. Exercise your children's practical ability. 4. A nice student educational toy that helps to get to close to science. Specification: Material: pp + foam Size: about 11.6*33cm/4.57*12.99in Product list: 1* DNAs Model Kit Notes: Due to the lighting effects and angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. Exercise Hands-on AbilityChildren can learn by using this DNAs Model Kit, so as to stimulate interest in scientific experiments, exercise observation ability, and cultivate concentration and hands-on ability. Enhancing the Impression of LearningKids DNAs Model Kit can deepen the impression of learning by allowing children to conduct challenging scientific experiments to understand the principles of learning science. Reliable MaterialMade of safe materials, both children and adults can use this Human Genes DNAs Model Kit with confidence. It's lightweight and durable. Easy to InstallDouble Helix Models are easy to install. It can be tightly connected without soldering. First place the bottom column, then insert the structural board, and finally pull up the strip. Educational GiftDNAs Models are recommended for children over 6 years old. It's the perfect birthday or Christmas gift for a child or adult who loves crafts and science.