nails and spikes

"Meet Nail and Hammer, two pals in this STEM-focused story by author-illustrator Sarah Lynne Reul. When Nail gets stuck, Hammer is ready to lend a helping hand. But will Hammer's hard-headedness make things worse?"--Provided by publisher.

Uses nails to explain and examine the sense of touch, the transfer of heat, magnetism, and six kinds of energy.