Build-A-Sentence choo-choo train magnets. Use these educational magnets to keep your sentence structure lessons chugging along! Use your own dry erase markers to create a sentence by writing one word on each magnet, then write its part of speech in the smaller blank space underneath. Easily wipe clean and reuse for the perfect classroom resource. Vinyl. 4" x 3 1/2" (L x H - in inches). Package contains total 12 pieces of train i.e. 2 locomotive engines + 10 passenger cars shaped magnets.