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illustrations
made from wood and are small enough for children to roll
this set provides everything you need for a smooth and enjoyable game
enabling teachers to discuss cultural differences
and breakout rooms
Wireless Sound Level Sensor L1-Pretend & Play-L2-Dolls & Accessories-L3-Baby Dolls & Dolls illustrationsThe Wireless Sound Level Sensor is a highly precise tool for measuring sound pressure levels in decibels (dB) and analysing the frequency content of sound waves. This sensor includes an A filter (dBA) that measures mid range frequencies, approximating the human ear's sensitivity to different sounds, as well as a C filter (dBC) for analysing low and high frequency sound levels. With wireless Bluetooth connectivity, this sensor enables real time sound
