What's in the box? <br/> This Molecular Model Kit has a total of 252 pieces including a link remover. With this set, it is easy to build models for Organic and Inorganic Chemistry!<br/> Build models such as: alkanes, alkenes, alkynes, alky halides, alcohols, ethers, aldehydes, ketones, carboxylic acids, nitriles, amines, esters, aromatic compounds, heterocyclic compounds, and more.<br/> All parts are made of durable and sturdy plastic which are color coded to national standards. This is a great set for both students and teachers to aid in course studies! <br/><br/> Specification:<br/> Material: PP (atomic), LDPE (link), ABS (box)<br/> Size: Hydrogen diameter: 17 mm <br/> Other atoms diameter: 23 mm <br/> Plastic box: 23.5×17×3.5cm / <br/>9.25×6.69×1.38inch<br/> Color: Different atoms, different colors<br/> Weight: Including box total 0.6 kg<br/><br/> Package included:<br/> ★ H-Hydrogen - 1 - White - 30<br/>★ C-Carbon - 4(109°28′) - black -15<br/> ★ O-Oxygen - 2(105°) -Red - 10<br/>★ N-Nitrogen -3(107°)- Blue- 4<br/> ★ S-Sulphur -6(90°)- Yellow- 4<br/>★P-Phosphorus- 5(120°/90°)- Purple -5<br/>★ F-Fluorine -1- Orange - 2<br/> ★ Cl-Chlorine -1- Green- 8<br/> ★ Br-Bromine -5(120°/90°)- Dark blue- 2<br/> ★ I-Iodine -5(120°/90°)- Dark purple- 2<br/> ★Metal -3(107°)- Silver- 2<br/> ★ Metal -6(90°)- Silver- 2<br/><br/> Links - Color - Length(mm) - Qty. <br/> ★ P Orbitals - Purple - 36 - 3<br/> ★ P Orbitals - Pink - 36 - 3<br/> ★ Pi Orbitals - Purple - 36 - 3<br/> ★ Pi Orbitals - Pink - 36 - 3<br/> ★ Medium (single, rigid) - Gray white - 27 - 60<br/> ★Long (double/triple, flexible) - Gray - 43 - 25<br/> ★ Short (for space-filling models) - Translucent - 11 - 60<br/> ★ V bond (for space-filling models) - White - 13 - 8<br/> ★ 1× Short link remover tool<br/> ★ 1× ABS plastic box (size: 23.5 * 17 * 3.5 cm)<br/><br/>