The Optical Science Experiment building set uses building blocks to construct any kind of basic lens related experiment.
Some of the builds include a Telescope Binoculars Microscope Movie Projector and Astronomical Telescope (only one model can be built at a time).
There are 29 models and experiments to build play and explore within this set.
Comes with 164 pieces and a 64 page colourful manaul.
Requires 2 x "AA" batteries (not Included). For Ages 8+.