The perfect pulley for easy height adjustment for table-edge demos! There are many uses in a science classroom for this mounted pulley with extension arm. The cast iron clamp mounts to the edge of any table up to 2.375" deep. The 2" diameter plastic pulley is mounted to an 8" rod that can be adjusted up to a height of 10.5" above the table.
This mirascope creates a 3D hologram image!
Build your very own smart robot!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Create beautiful art with this amazing sun paper!
Comprehensive collection of 30 fossils.
This kit allows to build up to 3 different robots!