Molecular Model Building Kit Features: COMPLETE MOLECULAR MODEL BUILDING KIT: This organic chemistry atom model kit is used to make organic structures, cyclic compounds, and biology models. VISUAL LEARNING: This organic chemistry model kit includes 54 atoms, 70 links, and 1 removal tool. All atoms are color-coded according to universal standards, which is very helpful for visually understanding and demonstrating the structure of compounds and molecular geometry. FUN AND EFFECTIVE LEARNING: This chemistry model kit with atom centers, bonds, and orbitals helps you understand chemistry concepts such as organic molecules, general empirical formula representations, and organic structures. LIGHTWEIGHT, PORTABLE: Packaged in a sturdy storage box with four compartments for storage and portability. Easy to store and carry. A removal tool is included to make the task of disassembling your molecular atom model kits super easy and quick. GREAT GIFT: An excellent educational gift for high school students, friends, classmates, teachers. Specifications: Color: Multicolor Box Size: Approx. 23.5x17x7cm/9.25X6.69x2.75in Weight: Approx. 500g Material: PP Note: 1. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 125 Pieces Molecular Model Building Kit