Clear Acrylic Material: HeiMma periodic table is made of premium acrylic material with real elements inside. The acrylic is safe, sturdy, and will not crack. High transparency allows for clear display of internal elements. The edges and corners are well polished for a comfortable touch Real Element Inside: This periodic table contains 83 real element samples inside (excluding radioactive elements), not just print on the surface or a picture. Learn more about the elements and being able to see what most of them actually looks like Freestanding with Acrylic Base:Periodic table with real elements inside size is 6.7”× 5”× 0.8”. Large size can make you read the text more easily. Different from the other similar acrylic periodic table in the market, HeiMma periodic table is designed with a acrylic base to make it stand freely and more stably. Just insert it into the acrylic base. Acrylic base features 360-degree rotation design, allows you to freely adjust the angle of the periodic table according to your own preferences Great Gift for Science Enthusiasts: HeiMma periodic table with real elements inside is the coolest thing to see all the different elements. Put it in children’s desk to stimulate the students curiosity. Great gift for the science and earth lovers of the world. The sleek appearance will be a great decoration as well 100% SATISFACTION SERVICE: We serve quality products to our customers and give our customers the best shopping experience. If you have any problems with our products, you can e-mail us and we'll help make things right Acrylic Periodic Table with Real Rlements Inside