The store will not work correctly when cookies are disabled.
We use cookies to give you the best experience possible. By continuing to use the site, you indicate that you accept cookies. See our cookies policy here.
suitable for KS3+. Used to demonstrate the different thermal expansions of various liquids. The apparatus comprises five bulbs with tubes mounted in a frame which is supported by a water trough. The frame has a special sliding arrangement with clips to hold glass bulbs with tubes. The bulbs can be easily removed and fixed and have a funnel formation on top for easy filling.