Trace-n-Erase Chalkboard Travel Set (Step 1) This Trace-n-Erase Chalkboard Travel Set (Step 1) ($29) has four chalkboards including ones with letters, numbers, and shapes, as well as a lined blank board. Image Source: chalkfullofdesign.com Trace-n-Erase Chalkboard Travel Set (Step 1) $29 from chalkfullofdesign.com Buy Now