Test Tube - Poly, 15 x 100 mm, Pack of 200These plastic test tubes (15 x 100 mm) offer a safe, shatterproof alternative to traditional glassware, making them ideal for primary and middle school science. Manufactured from clear polystyrene, they provide excellent visibility of contents while being durable enough for repeated classroom use. This bulk pack of 200 is ideal for busy educators preparing for whole class or rotational group investigations. Educational benefits: Enhances student