A captivating demonstration for all ages!
The Pendulum Wave Demo simulates phases, beats, and frequencies.
Features a stand with nine 7/8" (22mm) steel ball pendulums and comes with an initiator stick, which helps to simultaneously release all pendulums. When released, the pendulums will swing back and forth to quickly form a wave pattern and then cycle through different phases.
Great for a classroom, as a gift, or for display.
Assembled size: 11 inches tall, 16 inches long and 8 inches deep.
Comes with a Teacher’s Guide.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
LargeNitrile exam gloves designed and manufactured for superior comfort and protection.
This set includes four (4) N95 NIOSH approved respirators.
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
Durable, anti-fog safety glasses that fit comfortably on any head size.
Box of 100 X-LARGE nitrile exam gloves.
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