It's a sturdy wooden cube that kids can use to pull themselves up, though you should keep an eye on your babies in case they fall The activity block is quite sturdy but lightweight. When Ellie was ...

a rubick’s cube, some painted wooden blocks. Some cubes of ice, a set of dice, a battered cardboard box. GIRL 1: Now the next shape is a sphere. Try to make yourself into a sphere – a big ball!

cubes made of paper, of wood, monochrome or coloured, solid or broken down into blocks'. Holed up in this wondrous den at the university, he hatched what would become the Rubik’s Cube. Keen to ...