Una spazzola che cammina

We introduce a simple homemade toy, which can glide forward with no propellers, limbs, wheels, and seemingly no movement of any kind that can push forward against the ground. The toy arouses the pupils’ interest and their incentive to ask ‘Why’? in lessons related to friction.

Numero: Anno XL - n.3 - luglio/settembre 2007

Puoi trovarlo a pagina 135 della rivista cartacea