Design and build your own Rube Goldberg Machine. Use the national design theme from www.rgmc.com or follow a class theme. KELVIN© provides you with the hard-to-find materials to supplement your machine's needs. KELVIN© is the OFFICIAL, exclusive manufacturer & distributor for the Rube Goldberg Hard-To-Find Contest Material. Four of the Inventors I Packages (which includes but is not limited to: basic instructions, ping pong balls, marbles, dowel rods, string, springs, pulleys, gears, plastic spoons, plastic cups, mouse traps, balloons, etc.) at a $20 savings! Rube Goldberg is the trademark and copyright of Rube Goldberg, Inc.
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