Set contains: 2 test tubes, double volcano moulding tray, 2 bags of baking soda and instruction sheet. Please note this set also requires vinegar which is not included. The use of an old apron or old clothes is recommended whilst using this volcano. Use under competent adult supervision. Full instructions are included. Box measures approximately 26cm x 21cm x 6.5cm.
24 brightly coloured pieces in 4 different shapes to slot together into a marble run, plus 6 marbles. Children will enjoy devising a variety of routes for the marbles to roll along as they descend to a home base.
