1. Time Limit: This challenge is a timed challenge, once you are ready to start, set a timer for 30 minutes of build time.

2. Material Item examples:

   1. Paper plates

   2. Straws

   3. Paper

   4. Cups

   5. Tubes (toilet paper, paper towels)

   6. Craft sticks

   7. Pipe cleaners

   8. Yarn or string

3. Choose 5 items from around your house to design and build a prototype of something with a specific purpose. Use your imagination to create something interesting.

4. After gathering 5 items, design the prototype by drawing it out on paper.

5. Build your prototype in the 30 minute time limit.

6. Make a short video explaining your prototype, how you built it, and what it does. Share this video with your GT teacher through Google Drive or email.

1. Time Limit: This challenge is a timed challenge, once you are ready to start, set a timer for 30 minutes of build time.

2. Materials:

   1. Paper

   2. Cardboard or paper plates

   3. Marbles

3. Design and construct a maze for a marble.

4. Time yourself running the marble through the maze, try multiple times.

Time Limit: This challenge is a timed challenge, once you are ready to start, set a timer for 30 minutes of build time.

Materials

1. Household items

2. Rubber bands

3. Spoon

Design a catapult and see how far you can fling an object.

How can you change the design to fling the object further?