Doug Ryden 99th St. School
1. Make two tubes 50 cm long. (You may have to make 4 tubes and put two tubes together.)
2. Make two tubes 32 cm long 3. Make two tubes 34 cm long Lay (1) tubes 32 cm a part (measure from outside both tubes). Glue one (2) tube at top of both (1) tubes and one (2) tube 10 cm down from top. Be careful not to move (1) tubes while glueing. After gluing, check to be sure (1) tubes are 32 cm a part still.
Glue one end of (3) tube 10 cm from bottom of one (1) tube and the other end 22 cm from bottom of other (1) tubes.
Let dry!
When dry, turn vertical support over and glue one end of (3) tube 10 cm from bottom of (1) and the other end of (3) 22 cm from bottom of other (1) that (3) tubes crisscross each other!
You have just completed one vertical support!!
Earthquakes and Structure is a part of LAEP Learning Exchange.