Build an Overhead Water Rocket Launcher Part 2 Materials

Part 2 of 7 parts, instructions for building an overhead water rocket launcher, as seen on the Ask This Old House annual kids program. IMPORTANT ADDITION NOT YET IN THE VIDEO: YOU CAN SUBSTITUTE A “1 1/4 INCH SLIP JOINT“ FOR THE 2 INCH PIECE OF 1 1/2 INCH PIPE Links to all 7 steps, as well as other science toy projects are at