Eisco Labs PTC Taste Paper Experiment Kit - Class Set - PTC and Control - Genetic Taste Testing (Vials of 100)

EISCO PTC Test Strips & Control Test Strips Experiment Set, Includes 2 Vials - Test Papers - Genetic Taste Testing

Precision Laboratories PTC Paper Taste Test Strips for Super Taster Test - Vial of 100

EISCO Super Taster Test Kit - PTC Paper Strips with Biodegradable Box & Instructions - Lab Quality - Classroom Pack - PTC Paper, Sodium Benzoate, Thiourea, and Control (No Chemical), 100 Strips Each