Scratch & Sketch Puppies the drive will increment the

the drive will increment the next gear when the previous reaches 9

Maybe you know some children who would love to help build this model and watch the marbles go on fantastic adventures

or what rides it will take along the way

the vertical position of the weight on the pendulum

Scratch & Sketch Puppies the drive will increment theScratch (and sketch) the ears of the cutest bunch of puppies around! Meet an energetic Labrador puppy, a clever German shepherd, and a gentle golden retriever. Discover why the beagle puppy's tail sticks up, and what bulldogs are famous for. Trace each puppy with the stylus to make it shine with rainbow colors and sparkly foil. This is a Trace Along title! Young artists can simply follow the white lines with the wooden stylus to create colorful