Sound Kit for Science Teaching Kit

Sound Kit Science Teaching Kits Suppliers China

Consisting of 2 axles for strings adjusting, 2 terminals for fixing strings, triangle piece, strings (thin& thick ), 2 supporters for strings, loudspeaker, loudspeaker cover, film sheet, 2 bases for sheet inserting, 1 pair of phones, bell, small hammer and 2 whistle pipes(thin & thick) . all pieces are placed in a plastic case with 2 locating holes, case size 287mm×105mm×44mm