Slidy puzzle ruler

black matt silver white anthracite Assorted Beige Beige/Navy Black-Grey/Black Black/Dark Grey Black/Grey Black/Red Black/Satin silver Black/White Black/Yellow blue blue/green brown Burgundy champagne chrome copper Dark Gray dark grey Fuchsia gold Golden Graphite gray green grey Grey Melange Grey-Blue/Dark Grey Grey-Green/Dark Grey Grey-Orange/Dark Grey Grey-Red/Dark Grey Grey-Yellow/Dark Grey Gun metal heaven blue Hexachrome orange ivory Khaki Light blue Light brown Light green Light grey Lilac lilac/mint lime mixed multicolour Natural Navy Navy-Grey/Navy Navy/Light Grey Navy/Navy neon fuchsia neon green neon orange neon yellow Nickel orange Orange/Black Orange/White Pearl pink Polar blue purple red Red/Grey Red/Navy Red/White rose gold Royal blue Royal Blue/White Satin gold Satin silver shiny silver silver Sky blue titanium transparent transparent blue transparent fuchsia transparent green transparent grey transparent lime transparent orange transparent pink transparent red transparent violet transparent white transparent yellow turquoise unspecified Violet white/black white/blue white/grey White/Royal Blue wood yellow Yellow/Grey