After verifying the tool worked, the boys decided to get some assistance with the final design.
They were especially keen to make it a one piece unit for strength, aesthetics and to simplify manufacture.
A local sheetmetal company came to the party and the prize-winning innovation is now a simple, but effective tool.
Robert said it was exciting to take the innovation to Fieldays and test it on real customers.
He says it was hard work promoting the product constantly for four days, but the response from the public, and the award, made it worthwhile.
¦The Agribusiness programme was created by St Paul's, DairyNZ, Beef + Lamb New Zealand and 11 other Agricultural business partners to inspire secondary school students to consider a career in the primary sector.