KiwiCo. Kiwi Co. Ukulele Musical Instrument DIY Ukelele Science Kit Craft Set Summer Fun Topics explored: Sound waves, vibrations, Musical instruments Arrives already built. Excellent used condition. Makes a great Easter basket gift, Valentine's Day Gift / Christmas gift / Stocking Stuffer / Birthday Gift / Summer Camp / Vacation / Graduation Gift Great Classroom Instructional Aid Great for Homeschooling Comes from a pet-free and smoke-free home. Trusted Seller = Buy with confidence. Interested in more than 1 item? Bundle and save $$$ on shipping.