Add a creepy touch to your laboratory with the Blue Crab Specimen Jar. Featuring a realistic prop crab in a jar, it’s the perfect addition to any science-themed set. Perfect for pranks or just for fun, it’s sure to give everyone a scare (or laugh)! For a more realistic touch, fill it with water! INCLUDES: Realistic blue crab prop 6.5″ x 5″ clear plastic jar with removable screw on lid