Horrible Science - Really Rotten Experiments Mechanical wipe-off pen

wipe-off pen

children not only gain valuable insights into robotics

circular rotor

then watch it mix the substances together and create your slime

Horrible Science - Really Rotten Experiments Mechanical wipe-off penGalt Toys Horrible Science 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.