Description
Amaze your students with how much force it takes to separate 2 plastic suction cups – an economical demonstration of air pressure and vacuums. Set of 2.
Proudly Canadian for more than 20 years! Proudly Canadian for more than 20 years!
Amaze your students with how much force it takes to separate 2 plastic suction cups – an economical demonstration of air pressure and vacuums. Set of 2.