The HYDRO DYNAMICS Challenge Kit is a fantastic educational tool disguised as a LEGO set.
The HYDRO DYNAMICS Challenge Kit is a fantastic educational tool disguised as a LEGO set. Designed for FIRST LEGO League competitions, it provides a wealth of parts and building opportunities for young engineers and robotics enthusiasts.
This set is perfect for teams participating in the FIRST LEGO League or educators looking for hands-on STEM activities. The sheer volume of Technic pieces allows for complex model building and experimentation, promoting problem-solving and teamwork.
Skip this if you're looking for a traditional display model or casual building experience. This set's focus is on functionality and learning rather than aesthetics, so consider sets like the LEGO Technic sports cars if you prefer a display piece.
Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer
Wheel 14mm D. x 9...
Tyre 21 x 9.9
Brick Special 1 x...
Brick Special 1 x...
Plate Round 6 x 6...
Plate Round 6 x 6...
Plate Round 6 x 6...
Plate Special 1 x...
Slope Curved 2 x ...
Plate Round 4 x 4...
Plate Round 4 x 4...
Technic Panel Cur...
Technic Panel Cur...
Vehicle Base 4 x ...
Plate Special 1 x...
Tile 2 x 2 Corner
Technic Beam 3 x ...
Tile Round 2 x 2 ...
Tile Round 2 x 2 ...
Tile Round 2 x 2 ...
Tile Round 2 x 2 ...
Technic Pin Conne...
Brick Arch 1 x 6 ...
Brick Arch 1 x 6 ...
Technic Panel 3 x...
Technic Panel 3 x...
Technic Axle 5 wi...
Brick Special 1 x...
Tile Round 2 x 2 ...
Tile Round 2 x 2 ...
Plate Special 1 x...
Brick Round 2 x 2...
Technic Gear 20 T...
Technic Axle Pin ...
Technic Pin Conne...
Plate Special 1 x...
Plate Round Corne...
Brick Special 1 x...
Plate Round Half ...
Technic Pin Conne...
Tile Special 1 x ...
Tile Special 1 x ...
Tile Special 1 x ...
Tile Special 1 x ...
Wedge Plate 3 x 6...
Tile Round 1 x 1 ...
Tile 1 x 4 with G...
Tile 1 x 4 with G...
Brick 1 x 2 x 5 w...
Brick 2 x 6
Brick 1 x 16
Technic Driving R...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Technic Axle Towball
Technic Pin with ...
Tile 2 x 2 Curved...
Brick 2 x 4
Brick 2 x 4
Brick 2 x 4
Brick 2 x 2
Brick 1 x 2
Brick 1 x 2
Brick 1 x 2
Brick 1 x 2
Brick 1 x 2
Brick 1 x 1
Brick 1 x 8
Brick 1 x 8
Brick 1 x 6
Brick 1 x 4
Brick 1 x 4
Brick 1 x 4
Brick 1 x 4
Brick 1 x 4
Plate 2 x 4
Plate 2 x 4
Plate 2 x 4
Plate 2 x 3
Plate 2 x 3
Plate 2 x 2
Plate 2 x 2
Plate 1 x 2
Plate 1 x 2
Plate 1 x 2
Plate 1 x 2
Brick Special 1 x...
Plate 1 x 1
Plate 6 x 12
Plate 4 x 10
Plate 4 x 10
Plate 4 x 10
Plate 4 x 6
Plate 4 x 6
Plate 6 x 10
Plate 2 x 8
Plate 2 x 8
Plate 2 x 8
Plate 6 x 8
Brick Round 2 x 2...
Brick Special 1 x...
Brick Special 1 x...
Brick Special 1 x...
Panel 4 x 4 x 6 Q...
Plate Round Corne...
Slope Curved 2 x ...
Brick Round 1 x 1...
Brick Round 1 x 1...
Brick 1 x 2 witho...
Tile 2 x 2 with G...
Tile 1 x 2 with G...
Tile 1 x 2 with G...
Tile 1 x 2 with G...
Tile 1 x 2 with B...
Tile 1 x 1 with G...
Tile 1 x 1 with G...
Plate Special 3 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Pin 3/4
Technic Link 1 x ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Axle Conn...
Technic Axle Conn...
Technic Axle Conn...
Technic Pin Long ...
Technic Pin Long ...
Technic Axle 2 No...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Knob Wheel
Technic Axle 5
Technic Axle 5
Technic Bush 1/2 ...
Technic Bush 1/2 ...
Technic Beam 2 x ...
Technic Beam 2 x ...
Technic Beam 2 x ...
Technic Axle and ...
Technic Axle and ...
Technic Beam 3 x ...
Technic Gear 12 T...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Brick 1 x 2 x 2 w...
Brick 1 x 2 x 2 w...
Technic Gear 36 T...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 3 x ...
Technic Pin Conne...
Technic Pin Conne...
Technic Pin Long ...
Technic Pin Conne...
Technic Beam 3 x ...
Animal, Frog
Plate 1 x 8
Plate 1 x 8
Plate 1 x 3
Plate 1 x 3
Technic Gear 40 T...
Brick Arch 1 x 4
Slope Inverted 45...
Slope Inverted 45...
Plate 1 x 6
Plate 1 x 6
Technic Pin witho...
Slope 65° 2 x 2 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Brick 1 x...
Technic Axle 4
Technic Axle 4
Technic Axle 6
Technic Axle 6
Technic Axle 8
Technic Axle 12
Technic Axle 12
Technic Plate 2 x...
Plate 1 x 4
Plate 1 x 4
Plate 1 x 4
Plate 1 x 4
Technic Bush
Technic Plate 2 x...
Technic Gear Rack...
Slope Inverted 33...
Technic Axle Pin ...
Plate 2 x 6
Plate 2 x 6
Plate 2 x 6
Plate 2 x 10
Plate 2 x 10
Weapon Axe
Technic Brick 1 x...
Technic Brick 1 x...
Brick Round 2 x 2...
Brick Round 2 x 2...
Brick Round 2 x 2...
Cone 2 x 2 x 2, O...
Dish 4 x 4 Invert...
Dish 4 x 4 Invert...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Plate Round 2 x 2...
Technic Beam 1 x ...
Technic Beam 1 x ...
Technic Beam 1 x ...
Plate Special 1 x...
Plate 8 x 8
Tile 1 x 8 with G...
Tile 1 x 8 with G...
Technic Beam 1 x ...
Technic Axle and ...
Technic Axle and ...
String Reel 2 x 4...
String Reel 2 x 4...
Technic Pin 1/2
Plate 2 x 16
Dish 6 x 6 Invert...
Slope 33° 3 x 1
Technic Axle Pin ...
Box 2 x 2 x 2 [Ho...
Box 2 x 2 x 2 Doo...
Equipment Camera ...
Technic Beam 1 x ...
Technic Axle 7
Technic Axle 7
Bracket 1 x 2 - 2...
Bracket 1 x 2 - 2...
Bracket 1 x 2 - 2...
Bracket 1 x 2 - 2...
Plate 1 x 10
Plate Special 1 x...
Technic Axle 3
Technic Axle 3
Slope Curved 4 x ...
Slope Curved 4 x ...
Windscreen 2 x 4 ...
Bar 1 x 3 [Clip /...
Brick Round Corne...
Brick Round Corne...
Brick Round Corne...
Plate Special 1 x...
Technic Pin Conne...
Slope Curved 3 x ...
Slope 30° 1 x 1 x...
Slope 30° 1 x 1 x...
Technic Axle 8 wi...
Technic Tread Spr...
Technic Axle Conn...
Panel 1 x 6 x 5
Panel 1 x 6 x 5
Technic Axle 5.5 ...
Technic Axle Conn...
Technic Axle Conn...
Technic Axle Conn...
Technic Axle Conn...
Technic Axle Conn...
Cone 1 x 1 [Top G...
Brick Arch 1 x 3 ...
Plate Round 4 x 4...
Plate Round 4 x 4...
Plate Round 4 x 4...
Plate 1 x 12
Slope 65° 2 x 1 x 2
Technic Beam 1 x ...
Technic Beam 3 x ...
Technic Axle 9
Technic Axle 9
Door Frame 1 x 4 ...
Door 1 x 4 x 6 wi...
Brick Curved 2 x ...
Brick Curved 2 x ...
Equipment Hose No...
Brick 1 x 12
Plate Round 1 x 1...
Plate Round 1 x 1...
Plate Round 1 x 1...
Plate Round 1 x 1...
Plate Round 1 x 1...
Plate Round 1 x 1...
Brick Arch 1 x 6 ...
Brick Arch 1 x 6 ...
Technic Universal...
Brick Round 4 x 4...
Windscreen 3 x 6 ...
Technic Pin Conne...
Technic Pin Conne...
Technic Pin Conne...
Technic Pin Conne...
Technic Panel Cur...
Cylinder Half 2 x...
Tile 1 x 3
Tile 1 x 3
Technic Axle and ...
Technic Beam 5 x ...
Technic Beam Fram...
Technic Panel 5 x...
Technic Panel 5 x...
Technic Axle and ...
Technic Axle and ...
Technic Axle and ...
Technic Brick 1 x...
Technic Axle 1.5 ...
Technic Pin Long ...
Technic Gear 12 T...
Technic Pin with ...
Tile 1 x 6 with G...
Hinge Plate 1 x 4...
Hose, Ribbed 7mm ...
Brick Round Corne...
Brick Round Corne...
Wave / Flame Roun...
Slope 30° 1 x 2 x...
Slope 30° 1 x 2 x...
Tile 2 x 4 with G...
Tile 2 x 4 with G...
Tile 2 x 4 with G...
Technic Panel Fai...
Brick Round 4 x 4...
Brick Round 4 x 4...
Plate Special 2 x...
Plate Special 2 x...
Wedge 2 x 2 Facet
Technic Gear Rack...
Technic Link Trea...
Technic Link Trea...
Plate 8 x 16
Brick Arch 1 x 6 ...
Slope Curved 4 x ...
Bracket 1 x 2 - 2...
Technic Gear 16 T...
Brick and Axle Se...
Tile Round 1 x 1
Tile Round 1 x 1
Brick Special 1 x...
Large Figure Weap...
Technic Axle 4 wi...
Bracket 1 x 2 - 2...
Bracket 1 x 2 - 2...