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Set of Acrylic Plastic Blocks
Refueling amount: 250 ml
stable performance
this white crystalline powder is highly dense
Wind Vane (Direction & Speed) Set of Acrylic Plastic BlocksMeasures Speed and Direction of Wind. Speed ranges 0 17 m s 10%. Directions divided into 16 azimuths. With built in compass. 21cm x 6. 5cm x 15cm. 4. 2 oz. Premium Quality: Wind Vane is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different
