by Penrose, Gordon,

[ 01. English Non Fiction ] Authors: Holdcroft, Tina. Published by : Greey de Pencier Books, (Toronto :) Physical details: 48 p. : col. ill. ; 28 cm. Subject(s): Science --Experiments --Juvenile literature. | Scientific recreations --Juvenile literature. | Sciences --Expériences --Ouvrages pour la jeunesse. | Sciences --Documentation --Ouvrages pour la jeunesse. | Science-experiments | Scientific recreations Year : 1990 Item type : 01. English Non Fiction