Instructables: http://www.instructables.com/id/LED-Animal-Balancing-Blocks/
Materials Used:
1. Bristol board
2. Thick paper board
3. White glue stick
4. Double-sided tape
5. Elmer’s white glue
6. Copper tape
7. Cell batteries and battery holders
8. Conductive fabric
9. Conductive Ink
10. Printed vector illustrations