Give your little builder the opportunity to get hands on with the LEGO Buildable Ruler. Walmart has Lego 6″–12″ Buildable Ruler Set for $8.40 (Reg $16.87).
Perfect for young girls and boys learning about size, the Buildable Ruler gives little ones a tangible and memorable way to make sense of measurement. Topped with rainbow pieces, children will love observing differences in size using both numbers and colors.