Collisions in 2D Kit (No Base) - Visual Scientifics Material_Muslin Research-grade neon spectrum tube at

Research-grade neon spectrum tube at 26cm with a 10cm central capillary

Three-dimensional Paramecium sectional model with removable parts reveals cilia

1-ohm steps across ten dial positions

5-inch cross-section models with a removable ancient-mountain overlay

Test tube with side arm in borosilicate glass measures 125 x 16mm for gas collection

Collisions in 2D Kit (No Base) - Visual Scientifics Material_Muslin Research-grade neon spectrum tube atTwo dimensional collision experiment kit with a metal ramp, two metal balls, and a glass ball, requiring a separately sold magnetic base to mount the ramp for momentum and elastic collision work.