【83 Real Elements Inside】: Real element periodic table contains a single sample of 83 real elements. You can clearly see real elements in 3D different shapes and colors. Due to the radioactivity and rarity of some products, they were excluded. NOTE: This product only contains periodic table with real elements, not including the light base 【High-Quality Clear Material】: Periodic table with real elements inside is made of high-grade A-grade crystal glue acrylic, safe, non-toxic, odorless, and durable. We sanded the edges of the periodic table so that it feels smooth and won't cut your hands when you use it 【Product Size】: 7x5x1inch/17x12x2.1cm (product tolerance of plus or minus 1-3MM, does not affect the appearance and performance). This product also has 15cm and 20cm specifications. 【Good Education Supplies for Chemistry Learning】: Real element periodic table can be used in classrooms and laboratories to make learning more interesting, to provide teachers with professional learning tools, clear chemical elements attract students' attention, stimulate students' interest in science, and help them understand and memorize elements 【Perfect Gift】: Periodic table with real elements is not only suitable for students, but also makes a great science gift for adults, science lovers and chemistry enthusiasts. Parents can accompany their children to research and learn the periodic table of elements to enhance parent-child relationship. Perfect for birthdays, Christmas, Thanksgiving and contest prizes. THIS ITEM IS NOT INTENDED FOR USERS UNDER 12 YEARS OLD. Features:1. Safe handling and storage 2. Very suitable for display on desks, tables, etc. 3. Most suitable for teaching tools, student gifts or handicraft table decoration 4. Three-dimensional three-dimensional glass, let people see more clearlyNotice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurementDescription: 1.The world's first acrylic hand-held collection of all stable elements in the periodic table.2. Includes 83 elements embedded in clear acrylic. 3. This is the perfect gift for the science or chemistry lovers in your life.Specification: Material: Acrylic Product size:6x4.5x1inch/15x11.5x2cm、7x5x1inch/17x12x2.1cm、8x5x1inch/20x12.5x2.4cm Color:No Real ElementsIncludes: 1 x Periodic Table Of Chemical Elements