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communication and social development
Rubberised body
The Snapping Snake is a fun model that shows how linkages and levers can transfer and change force
Durable plastic
Packed flat in bundles
Acme large brass thunderer whistle - Nickel plated 45853 communication and social developmentIntroducing the Acme large brass thunderer whistle nickel platedThe Acme large thunderer whistle produces a large deep tone and a far carrying sound for use in all environments. It is a reliable choice for referees and lifeguards, or even private security workers. The thunderer whistle produces a reliably consistent tone, and as a pea whistle it allows users to make an interesting variety of sounds by adjusting the airflow to produce a rolling trill
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