Thermic sense is refined through exercises of pairing and grading. The bottles are chrome-plated copper for conductivity, and are identical in appearance to prevent visual matching. The set includes a wooden box with two compartments that holds 8 bottles with screw-on tops.
This is an educational product and is only to be used under the supervision of professional trained adults in a school environment.
This item will be sent from Nienhuis, please see our Delivery Page for details. Any additional postage charge will be calculated in the checkout as Nienhuis Delivery (NL).