Why Tires Got Teeth — Psst—at the sandy dig lot, a tiny truck named Bram made a brave little dare: roll over one dirt hill before snack time. The hill smelled dusty. Read the full story →
Psst—at the sandy dig lot, a tiny truck named Bram made a brave little dare: roll over one dirt hill before snack time. The hill smelled dusty. The shovel went scrape-scrape. Bram’s smooth tires went slip, slip, slip.
“I can try one more,” Bram whispered. He pressed his wheels into the soft dirt, and the dirt made chunky marks all around them. Grip-grip-grip! Up he rolled. Ever since, work trucks keep those bumpy tire teeth for brave first hills. Can you spot Bram’s dirt hill?