Real Elements: This periodic table includes 83 real sample elements for a visually striking display. It helps children understand the shapes of various elements and strengthens memory. Some elements are excluded due to rarity and radioactivity. : Made of acrylic with good toughness and drop resistance. The material has light transmittance so you can clearly see the elements inside. The inner and outer edges have a gloss finish and the edge is sanded for a neat, translucent look. Product Sizes: 15 x 11.5 x 2 cm (approximately 5.9 x 4.5 x 0.8 inches). Each edge of the acrylic display stand is rounded and polished for a soft touch and safe handling. Base Design: Two stand designs are available for flexible placement. The wooden LED base model can display the interior elements beautifully and also serves as an attractive table decoration. Use scenarios: Classroom or home study area: use as a visual aid to teach element shapes and support memorization during lessons or homeschooling. Desk or display shelf: place on a teacher's desk or in a study area to enliven science discussions and demonstrations. Science fairs or gifts: a durable, eyecatching centerpiece that sparks curiosity about chemistry and the periodic table.