Easy to Hold - Our collection of 83 individual elements were intentionally cut, machined. Its size is 6.0"*4.5"*0.8", so you can easily hold it or put it in your pocket and show it to your friends anytime. 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. Wide Application - Idea Gift for teacher, student, children, kids, friend chemistry or science lovers etc. Perfect craft for office decoration. Made of Acrylic - The Element Table is made of acrylic with high transmittance and low turbidity, so you could see the element very clearly. Additional Suggestion - Keep it clean with a cloth every time it is touched to avoid fingerprints.