Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.
A case of pesticide poisoning Kit, Contains: Student instructions, Pyrethroid Metabolite Test Sheet, Bag of colored cubes, 2 Simulated urine samples, Pyrethroid Test Color Chart, Pyrethroid Test Solution, 3 Labeled droppers