Iridescent is committed to supporting our community in the US and around the world. Read our CEO's statement on the recent immigration restrictions.



All Design Challenges

Invent a Bio•bot

Use a microcontroller, motors, and mechanisms to make a robot that moves like a living creature!

Make a Wave Machine

Make a device that will carry a wave and record the wave’s movement.

Make a Signal Horn

Build a signal horn to make low frequency sounds that can be heard from far away.

Build a Water Pump

Build a water pump that can push water at least 1 foot in two directions.

Make a Mechanical Stegosaurus Tail

Make a mechanical tail that is strong enough to break through a piece of paper.

Build a Blooming Flower

Build a flower that can open to communicate with pollinating insects and birds.

Build a Self-Propelling Boat

Build a fast, stable boat that can move through the water for at least 1 foot using a hand-powered propeller.

Build a Bubble Switch

Make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

Build a Dinosaur Shadow Box

Create a series of shadow boxes to form a complete silhouette of a dinosaur.