10 fiendishly rotten experiments! Hide a cockroach in soap, mould a fake poo and make your own vile vomit and ghastly green slime! Contents: plastic stomach, vinegar, funnel, bicarbonate of soda, goggles, plaster of Paris, poo mould, paints and paintbrush, green food colouring, fart pot, glycerine soap pieces, beaker, microwave tray, soap mould, pipette, plastic cockroach, 36-page Top Secret Lab Notebook.

8 years and onwards