Users turn this wheel to learn about a variety of commonly used and abused drugs. Provides drug names and common terms, effects and hazards of use, medical uses, and ways of use. Covers multiple drugs, including:

• Opioids (narcotics), such as heroin, morphine, codeine, and oxycodone
• Stimulants, such as Ritalin, Adderall, Dexedrine, bath salts, methamphetamine, and nicotine
• Marijuana (cannabis), such as marijuana, hashish, and marijuana concentrates (hash oil, wax, shatter)
• Cocaine
• Depressants, such as GHB, benzodiazepines, and barbiturates
• Alcohol
• Hallucinogens, such as LSD, PCP, DMT, and ketamine
• Inhalants, such as volatile solvents, aerosols, and butyl and amyl nitrites

A great quick-reference tool. 20-cm diameter.