HighTechDad:
Judy Lee of Design Squad Nation
HighTechDad:
Judy Lee & Adam Vollmer of Design Squad Nation
HighTechDad:
Adam Vollmer of Design Squad Nation
HighTechDad:
Judy Lee of Design Squad Nation
HighTechDad:
Judy Lee of Design Squad Nation
HighTechDad:
Loading the Catapult
HighTechDad:
Explaining How a Catapult Works
HighTechDad:
Loading the Catapult 2
HighTechDad:
Taking Aim at the Audience
HighTechDad:
Loading for Another Shot
HighTechDad:
Judy Lee & Adam Vollmer of Design Squad Nation & Michael Sheehan (HighTechDad)
HighTechDad:
The Catapult outside at Lawrence Hall of Science
HighTechDad:
The Catapult outside at Lawrence Hall of Science