Projection Screen 36 x 48" LabLearner easily inclinable surface for dynamic-cart

easily inclinable surface for dynamic-cart and momentum experiments in mechanics units

5 inch base with a two-tension-setting spring gun and visible internal components

and gastric wall layers in a compact footprint for digestive anatomy teaching

sized for individual student-lab use in simple-machines units

Projection Screen 36 x 48" LabLearner easily inclinable surface for dynamic-cartWall automatic roll back spring action screens (box type casing), with hooks for mounting on walls and an AUTOMATIC roller mechanism for winding. Wall automatic roll back spring action screens (box type casing), with hooks for mounting on walls and an AUTOMATIC roller mechanism for winding. Size : 36 x 48"