How to build: instructables.com/id/Easy-Hydraulic-Machines/

Be sure to check out https://www.madeforsteam.com/

Buy syringes, tubing, and adapters: https://amzn.to/2Jiq44F
Buy wheels: http://amzn.to/2jXBuRc
Buy cubes with holes: http://amzn.to/2kVJa4k
My book! Rubber Band Engineer: http://amzn.to/2ks54PB
And Duct Tape Engineer: http://amzn.to/2kRAi3w