"SCIENTIFIC hatchers"

Hooke's Law spring set with variety of spring constants.

Force table is inexpensive and light in weight.

Bimetallic strips attached to wooden handle to study thermal energy.

Radiometer with four lightweight metal arms.

Metal cylinder set for demonstrating density investigation and specific heat experiments.

Set of color filters to be used with ray box

Primary colors filter set.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Spare belt for Wimshurst machine. This item has two replacement belts, both of which have a 20" circumference.

Spare pith balls for pith ball electroscope.

Demonstrates static potentials.

Individual metal electrodes for electrochemical experiments.

Flash lamp bulbs perfect for simple circuit activities.