Feature:1. 7 types of slides, including cell, vegetabless, tissue, insect wing, stem, insect leg and verfluent.2. Fine quality optical which is clear and transparent.3. The smooth edges can prevent fingers from being cut.4. Elastic sponge isolation make it safe and beautiful.5. Each case size: 8 * 2.9 * 1.8cm / 3.1 * 1.4 * 0.6in6. 35 colorful prepared slides. You can accompany children to observe the magical biological world. It can cultivate children\u0027s interests in seeking knowledge.Specification:35 colorful prepared slides. You can accompany children to observe the magical biological world. It can cultivate children's interests in seeking knowledge.Features:7 types of slides, including cell, vegetabless, tissue, insect wing, stem, insect leg and verfluent.Fine quality optical which is clear and transparent.The smooth edges can prevent fingers from being cut.Elastic sponge isolation make it safe and beautiful.Specifications:Slide quantity: 35pcsType: cell, vegetables, tissue, insect wing, stem, verfluent, insect leg(all included)Material:Each case size: 8 * 2.9 * 1.8cm / 3.1 * 1.4 * 0.6inEach case weight: 34g / 1.2ozEach slide size: 7.6 * 2.5 * 0.1cm / 3 * 1 * 0.04inEach slide weight: 5g / 0.2ozPackage size: 18 * 10.4 * 4.7cm / 7.1 * 4.1 * 1.8inPackage weight: 395g / 13.9ozPackage List:35 * Prepared Microscope Slides7 * Plastic Cases1 * BoxPackage List:35 * Prepared Microscope Slides7 * Plastic Cases1 * Box