Features: 3D Human DNA Model Puzzle Kits: Colorful 3D realistic human DNA design, easy assembly, stimulate kids interests, encourage and enhance their brain development, exercise and improve their hand-eye basic biological recognition. Qualification Material: Made by high quality plastic, smooth edge as well as wear-resistance, non toxic and safe friendly to your kids. Interactive Biology 3D Puzzle: Unique designed puzzle toy, with assembly human DNA double helix structure , kids can learn the genetic structure through to finish the puzzle assembly work, easy to attract kids concentration and stimulate their interactive for play to build DNA model with parents. Educational Model DNA Kits: The DIY DNA helix structure puzzle with perfect stimulation and educational training for children, improve their build skills as well of abilities of for creative and cognition of human DNA structure and basic science knowledge. for Ideal Gift for Kids: The DNA puzzle model is suitable for kids as birthday gift, Christmas gift, and offer them to learn biology through finish the puzzle and explore their science world. Package Includes: 1 x Assembly Human DNA Structure Kits Toy Specifications: Product Dimension: approx. Board size 17 x 12.5 for cm/6.69 x 4.92 inch Material: Plastic Color: As pictures shown Net Weight: approx. 80g/0.17 lbs note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.