Helix Architects Scale Ruler Construction Paper & Scrapbooks Children can use the stickers

Children can use the stickers to complete the colorful scenes

After the tape is applied it won't dry out or yellow--and it's photo safe

colour-coding and more

Size/Capacity: 5¼”H x 2½”D at base / 14oz

Dimension: 16" x 20"

Helix Architects Scale Ruler Construction Paper & Scrapbooks Children can use the stickersK86X10 K86010 This Helix ruler is a stylish scale ruler suitable for architects. Scale rulers are used by architects and engineers to calculate dimension in a blue print or building plan without the use of time consuming and complicated math equations. The ruler would be ideal for use in the office or at home.