She didn't have marbles, so used pom poms instead – which, she says, work really well. Start by painting your cardboard tubes in lots of different colours. This is an optional step but it’ll make your ...

"This marble run should be eco-friendly and made of recycled materials," Mrs ... Teachers and school children helped by finding cardboard tubes from kitchen rolls or wrapping paper and sticking ...

Shaped like a minimalist version of a traditional marble run, the Carrera references 1960s slot car racing tracks with its sinuous forms. The playful design is made of tubular steel, making continuous ...