Lens holder wooden (Each) Art-Design/Drawing-Colouring/Crayons Contains 3 sizes of colourful

Contains 3 sizes of colourful Surdos including: 12''

These shapes can also be used for decoration

Comfortable elastic handle on spine

5W available over the entire frequency range for all waveforms

before pupils start writing

Lens holder wooden (Each) Art-Design/Drawing-Colouring/Crayons Contains 3 sizes of colourfulFinished wood V shaped slot holds lenses or mirrors up to 76mm diameter Holds convex or concave lenses or mirrors Index mark engraved on each end of the base 5" x 3. 75" x 1. 87" dimensions Finished wood V shaped lens holder; fitting convex or concave lenses or mirrors up to 76mm in diameter. For use in demonstrating the principles of light and color. Lenses mirrors not included.