Big Brain Builder 6

Build a Robot Hand

Do you know anyone who has had a hand or an arm injured in an accident? What if you could build them a robotic hand to help them accomplish everyday tasks like writing, picking up a glass, or opening a door? This activity will show you how to build a simple robotic hand using common household materials. Click here.

Measure up with a Homemade Thermometer

Are you eager to understand how everyday items work, or interested in making useful objects and instruments yourself? Have you ever imagined you could build your own thermometer? In this activity, you will make a liquid thermometer to track how temperatures vary with location, indoors or outdoors. What will turn out to be the hottest spot in your home? What about the coolest? Your very own homemade thermometer will be able to tell you! Click here.

Make a parachute

Have you ever wondered what a parachute and an open rain jacket have in common? They both trap air and slow you down when you move fast! In this activity, you design a parachute for a miniature action figure. Tissue paper or a plastic bag and a few strings is all it takes to make your figure into an expert skydiver. Click here.

Big Brain Builder Card 5

DIY Mini Drone

Quadcopters, also called drones, are a fun and popular toy. Explore the world of drones as you build your own mini drone using popsicle sticks in this fun activity. Click here.

Big Brain Builder Card 4

Choose tasks that interest and challenge you.

Secret Messages with Invisible Ink

Have you ever wanted to send your friend a secret message that no-one else can read? Then you might know of invisible ink—a special type of ink that you can use for writing and that does not show up on paper. Only after a special treatment will it appear again magically, and the message can be read. How does this work? Find out in this activity and write your own secret messages! Click here.

Big Brain Builder Card 3

Choose tasks that interest and challenge you.

Make a Lemon Volcano

Make a colorful erupting volcano in your kitchen with lemons and baking soda! Click here.