human-made, a material made by people, natural, from animals, plants or the Earth, recycle, change rubbish into a material that can be used again, material, what an object is made from

Materials definition

by
Print
Embed

Leaderboard

We are currently working on improving the Leaderboard functionality. Please help us by offering your feedback.

Give Feedback

Visual style

Options

We are currently working on improving the Activity Settings. Please help us by offering your feedback.

Give Feedback

Switch template

Continue editing: ?