TAMIYA 3mm screw set (30,40,50mm)

Plastic board, putty and other materials.

Parts of a pleasant work series being used in robot production mainly for junior high school students.
Each part set contains extra screws that you can use freely, but it is convenient to have various types of screws in order to produce the original work.
This set has screws of special sizes that are relatively difficult to obtain in the screws that can be used for robot production.
★ 3 × 30 ・ 50 mm screws each 6 pieces, 3 × 50 mm screws 8 pieces, 3 mm washers ・ nuts each 20 pieces

(From Tamiya website)