Silly Putty, Pack of 3
Once just a failed rubber substitute during World War II, Silly Putty® is now world famous. Its unique properties make it a fun, fascinating way to introduce your students to polymers. Pack of 3.
Once just a failed rubber substitute during World War II, Silly Putty® is now world famous. Its unique properties make it a fun, fascinating way to introduce your students to polymers. Pack of 3.