Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Go and find something
0
%
0
0
0
Back
Restart
Go and find something
High compressive strength
Oops!
Okay!
Go and find something
High tensile strength
Oops!
Okay!
Go and find something
Flexible
Oops!
Okay!
Go and find something
Soft
Oops!
Okay!
Go and find something
Rubber
Oops!
Okay!
Go and find something
Metal
Oops!
Okay!
Go and find something
Elastic
Oops!
Okay!
Go and find something
Leather
Oops!
Okay!
Go and find something
Plastic
Oops!
Okay!
Go and find something
Opaque
Oops!
Okay!
Go and find something
Transparent
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies