Molecular Model Kit, Deluxe, 520 Pieces

GSC International 1863 Molecular Model Deluxe Set - 520-Piece Chemistry Kit with Atoms, Bonds, and Sulfuric Acid Model - Includes Comprehensive Guide for Classroom or University Learning

Deluxe 520-piece molecular model kit designed to assist chemistry education from high school to university levels

Includes 245 atoms, 125 hydrogen atoms with connected bonds, 150 various size bonds, and one sulfuric acid model

Features 30 blue trivalent/pentavalent, 25 green monovalent halogen, 20 orange sodium/potassium, and 30 orange calcium/magnesium atoms

Also includes 20 yellow sulfur/selenium, 30 black alkane carbon, 20 black alkene carbon, 10 black alkyne carbon, 30 red oxygen, 30 yellow aluminum/chromium, 128 white hydrogen, and 164 bonding lugs in three sizes

Comprehensive guide simplifies model construction and supports hands-on STEM learning for chemistry concept mastery

PRODUCT WARNINGS

This product is NOT A TOY . It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.

This product contains small balls , making it a choking hazard. Only use with adult supervision.