LED Name Badge Kit, Create a fun light up name badge in minutes with this simple science project, Colour: Blue, Parts included: Acrylic Blank Name Badges, LEDs, Batteries, Safety Pins, Stickers, Ever wonder how fancy businesses and hotel create cool looking
Independence of Motion, enables the Projectile Launcher to perform the classic experiment where one ball is dropped as another is projected horizontally. The balls strike the floor simultaneously. A built-in level makes leveling th