Bonding and Structure Model Set, Immense help when learning organic chemistry, Has some very unique features, Among the 220 durable plastic components, there are a large variety of atom models with different orbital hybridizations, Has flexible and rigid links
Combinchation of FourLarge Sized Charts, 59x 42inch, covers radioactivity, nuclear and stellar energy, antimatter and the big bang. Fusion provides an overview of plasma physics and fusion energy