Structural Engineering

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Robotic Arm (Hydraulic Machines) Item #: 009050
Grades: 4-Adult
Retail: $24.00
Rainbow Price: $16.50

Catapult (Medieval Siege Engines) Item #: 038315
Grades: 4-Adult
Retail: $19.00
Rainbow Price: $13.50

Trebuchet (Medieval Siege Engines) Item #: 038316
Grades: 4-Adult
Retail: $28.00
Rainbow Price: $19.95

Hydraulic Arm Edge Item #: 029518
Grades: 5-Adult
Retail: $52.95
Rainbow Price: $37.95

Leonardo da Vinci Catapult Item #: 008976
Grades: 4-Adult
Retail: $21.00
Rainbow Price: $14.75

Swing Bridge Item #: 009172
Grades: 4-Adult
Retail: $17.00
Rainbow Price: $13.50

Leonardo da Vinci Trebuchet Item #: 008985
Grades: 4-Adult
Retail: $22.00
Rainbow Price: $17.25

Siege Tower (Medieval Siege Engines) Item #: 009116
Grades: 4-Adult
Retail: $23.00
Rainbow Price: $22.50

Lift Bridge Item #: 009016
Grades: 4-Adult
Retail: $17.00
Rainbow Price: $13.50

Leonardo da Vinci Bridge Item #: 008914
Grades: 4-Adult
Retail: $12.00
Rainbow Price: $9.25

Hydraulic Gearbot (Hydraulic Machines) Item #: 008835
Grades: 4-Adult
Retail: $21.00
Rainbow Price: $16.50

Catapults & Crossbows Experiment Kit (Exploration Series) Item #: 041107
Grades: 3-9
Retail: $24.95
Rainbow Price: $19.50

Strauss Bridge Item #: 009124
Grades: 4-Adult
Retail: $17.00
Rainbow Price: $13.50

Hydraulic Machines 4 in 1 Item #: 008874
Grades: 4-Adult
Retail: $37.00
Rainbow Price: $27.75

Hydrapult (Hydraulic Machines) Item #: 008820
Grades: 4-Adult
Retail: $21.00
Rainbow Price: $14.75

Structural Engineering: Bridges & Skyscrapers Item #: 068024
Grades: 3-Adult
Retail: $49.95
Rainbow Price: $44.90

Mechanics Laboratory Kit Item #: 066437
Grades: 3-Adult
Retail: $49.99
Rainbow Price: $41.95

Planes and Helicopter Kit (Mechanics Laboratory) Item #: 067456
Grades: 3-Adult
Retail: $39.99
Rainbow Price: $34.00

Copter and Fanboat Kit (Mechanics Laboratory) Item #: 067455
Grades: 3-Adult
Retail: $19.99
Rainbow Price: $17.00

Tractors Kit (Mechanics Laboratory) Item #: 067458
Grades: 3-Adult
Retail: $39.99
Rainbow Price: $34.00

Buggy and Quad Kit (Mechanics Laboratory) Item #: 067454
Grades: 3-Adult
Retail: $19.99
Rainbow Price: $17.00

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