Chunky, durable test tubes put serious science safely within reach for young students! Encourages in..
Set of 6 test tubes with 28mm internal diameter with flat bottom so that it can stand on a table. Ma..
Set of 10 alcohol laboratory thermometers, each measure from -10oC to 120oC . Works perfectly well i..
Showing 1 to 3 of 3 (1 Pages)
