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Set includes enough maths manipulative for use with 20 to 25 students
putting things in their place
The marks should only be around the outer edges as per the picture below
3 x Planks
the tapered handle is easy to grip
Sonometer, 3 Wire Pattern (Each) The Earth & Beyond Set includes enough maths manipulativeA hollow wooden sounding box 1290 x 130 x 110 mm (length x width x height) provided with scales divided in mm between fixed bridges over which the wires are stretched. Complete with three movable bridges, wrist pin key and a set of four wires, length 1. 5 m of 20, 22, 24, 26 SWG The distance between the fixed bridges is 720 mm 47" x 4. 75" 5. 25" ( L x W x H ) Weights are not included. A hollow wooden sounding box 1290 x 130 x 110 mm (length x width x
US$ 36.00
US$ 39.99
US$ 110.00
