This fits your. Make sure this fits by entering your model number. COMPREHENSIVE CHEMISTRY MOLECULAR MODEL KIT: Comes with 86 atoms of 12 different elements and 153 bonds VISUAL AND HANDS-ON TEACHING: Make teaching and labs science more interesting ,easily and vivid! PREMIUM DURABLE MATERIAL: Made from high-quality plastic material for easy construction and perfect fit, color coded to national standards and a clear instruction included in box for easy identification. EASY TO USE: Molecular tool included to quickly disassemble molecules and atom connectors.A durable box included for convenient storage! WIDELY USED:Great teaching tools for school and gift for children playing and learning.