Red Bull

The energy drink company had a constant crowd of people as it revved up its engine and asked people on the show floor to “pit your crew against the best.” A small racecar was being used to pit one person against another in a timed event to see who could change a standard tire the fastest.

Lunchbox

Free tattoos at a tradeshow? For almost 100 people, that answer was yes, including this writer. Digital delivery website provider Lunchbox was offering free tattoos of parts of its branding to willing customers as part of a marketing ploy. Designs included a saltshaker, a mushroom, and the Lunchbox logo.

Keenon

The robotics company has developed a new robot that can now take food from the kitchen and deliver it to the table, even delivering it to each individual and getting the orders right. The robot is self-charging, anti-shake and has “vivid expressions,” according to the company. Multiple robots can work efficiently together and communicate with one another like actual servers.

Nala Robotics

The new robotic arm from robotics company Nala Robotics can perform almost any kitchen function, including shaking condiments onto food, flipping and stirring food, and more.

Haso

Introduced as the “world’s first heat-sealed leak-proof paper lid for cups,” this product uses a patented machine to heat seal paper cups with a piece of paper as the lid to prevent spills — and it works. The cups, which eliminate the need for plastic, are also biodegradable.