An introduction is given to the crossover theory of the conformational and thermodynamic properties of star polymers in good solvents. The crossover theory is tested against Monte Carlo simulation data for the structure and thermodynamics of model star polymers. In good solvent conditions. star polymers approach a "universal" limit as N → ∞. https://allfixelectricales.shop/product-category/plug-in-stove-hotplate/