Design Challenges

STEM activities for curious families and classrooms

Technovation Families' free design challenges explore a range of science, technology, and engineering topics through fun, hands-on activities that promote creativity and problem-solving to find unique solutions.

Learn from the scientists and engineers who are creating the technologies of tomorrow, and use what you learn to build your own invention!

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Mechanical Engineering Design Challenges

Build a Rube Goldberg Machine

Build a Rube Goldberg Machine

Build a machine that accomplishes a task in an inefficient way.

Engineer an Ocean Bottom Sampler

Engineer an Ocean Bottom Sampler

Design a tool that can lift objects from a water depth of at least 1 foot.

Engineer a Balloon Helicopter

Engineer a Balloon Helicopter

Build a balloon helicopter that can fly at least 3 feet from the ground.

Build a Cam Mechanism

Build a Cam Mechanism

Create a simple machine that transfers a rotational motion into a linear vertical motion.

Build a Joint Mechanism

Build a Joint Mechanism

Turn a straw into a simple machine that works in the same way that the joints in your body work.

Build a Crank Mechanism

Build a Crank Mechanism

Build a simple machine that transfers rotational motion into linear reciprocating motion (repetitive back and forth motion).

Engineer a Space Tool

Engineer a Space Tool

Design a tool that an astronaut could use to pick up an object in space.

Design a Wind-Up Mars Rover

Design a Wind-Up Mars Rover

Build a Mars rover that can travel using elastic energy.

Build a Belt Mechanism

Build a Belt Mechanism

Create a simple machine that transfers motion from one straw to another using a belt. Make sure the direction of your motion remains the same.

Are you ready to change the world?

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