AJ builds a gadget to help people understand Fur Blur's squeaks. But, the gadget misfires and makes people squeak instead of talk. Sparks' Crew must find ways to communicate information non-verbally in order to locate and reverse the gadget. Curriculum: There are many ways to communicate information including verbally, acting things out, writing, and making noise. / Sparks Crew wants to make their own theme song, but they have no musical instruments. How can they find a way to make sounds of different pitches? Curriculum: The pitch of a sound can be changed when the object changes in size, length, or liquid volume.