Exquisite real periodic table display: product size: 6x4.5x0.7inch/15x11.5x1.8cm. Unlike other versions, periodic table contains 85 real stable . Because of the and rarity of some products, they are excluded.. The periodic table of is made of acrylic acid, with high light transmittance, and the inside can be clearly seen. Real periodic table of : concrete learning helps children to enhance their understanding and memory of , which is an perfect teaching tool in the classroom. Show your periodic table or school, you can always see it, deepen your memory, and create a very warm learning atmosphere. Periodic Table Gift: The periodic table containing real is the perfect gift for science or chemistry lovers. It can be put on the table or in the hand for learning and research. As a decorative display anywhere, it will be pleasing to the eyes. Extensive application: The periodic table can be used in classrooms and laboratories to students with professional teaching tools to make learning more interesting and suitable as a gift for teachers and students. Note: No harmful . Keep it clean with a cloth time you touch it to avoid leaving . Color: transparent Material: acrylic Package Contents: 1 x periodic table Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.