What's this?
aluminium
What's this?
bamboo
What's this?
brick
What material is this?
cardboard
What material is this?
metal
What material is this?
rubber
What material is this?
sand
What material is this?
stone/rock
What material is this?
cotton
What material is this?
glass
What type of metal is this?
gold
What material is this?
paper
What material is this?
plastic
What metal is this?
silver
What material is this?
wood
What material is this?
wool
