Lens holder wooden (Each) Art-Design/Drawing-Colouring/Crayons Easy to play with single

Easy to play with single hand movement

Contains 3 sizes of colourful Surdos including: 12''

Both halves fold into a central undercarriage for easy set-up and movement

before pupils start writing

Available in three colours and two sizes

Lens holder wooden (Each) Art-Design/Drawing-Colouring/Crayons Easy to play with singleFinished 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.