Frequency Response: 20-20

It includes a story and the Paw Patrol Theme song

just one second per light

led sound effects

new tweaks on the rules and an entirely new victory conditions

Kids First Automobile Engineer Kit natural history of Frequency Response: 20-20Open the wonderful 24 page illustrated storybook, and read about two kids on an errand adventure with their dad. Along the way, 10 vehicles are needed, from forklifts to tractors to racecars. And, look! There are 70 big colorful plastic pieces for building them. Kids learn math, science, comprehension and concept development. From Thames & Kosmos, for ages 3 6 yrs.