This large (7.9 x 5 inch) Periodic Table features 83 real elements, displayed in an acrylic block with high transmittance and low turbidity. Perfect for classroom, office or home decoration, it creates interest in chemistry learning and makes a great gift for science lovers. Children and adults alike will be captivated by its unique and spectacular design, and the intricacy and detail of each element will inspire fascination and wonder. Features 1. Real Elements & Large Size: Our collection of 83 individual elements were intentionally cut, machined, melted and sealed for your viewing delight. Its size is 7.9 x 5 inch, so you can easily read the writing without using a magnifying glass. 2. A Science Lover's Favorite Thing: This Periodic Table is incredibly unique and really quite spectacular. The elements have so much detail and their own 'wow factor' which really makes you think 'how is the Earth made of this stuff?' It is an amazing opportunity to visually show children each of the elements all in one place while still capturing the rarity of most of them. 3. Wide Application: Great Idea Gift for teacher, student, children, kids, friend chemistry or science lovers etc. Perfect craft for office decoration. 4. Made of Acrylic: The Periodic Table is made of acrylic with high transmittance and low turbidity, so you could see the element very clearly. 5. Creating Learning Interest: Put the Chemical Element Table in class room or home, where your students or child can see it at any time, maybe it will deepen their memory or boost their interest in chemistry learning. Specification Material: Acrylic Color: Transparent Size: 20 x 13 cm, 17 x 12 cm Weight: 300 g, 199 g Package Include: 1 Periodic Table