Engino Open Projects STEM Set: London Eye, Eiffel Tower & More

By STEM Toys & Education Systems for Kids | Published: 2026-10-18

Category: Product Reviews

A practical guide to using the Engino Open Projects STEM Set for building large-scale models like the London Eye and Eiffel Tower, with tips for classroom success.

Quick answer

The Engino Open Projects STEM Set is a versatile building kit that lets kids construct large-scale models like a motorized London Eye, a 1.5-meter Eiffel Tower, and chain reaction machines. It's ideal for classrooms and home projects.

Why choose the Engino Open Projects STEM Set?

This set includes 1,201 durable parts and 5,265 connecting points, giving students the freedom to design and test their own engineering solutions. It's not a single-model kit—it's a system for open-ended exploration.

The included motor allows for dynamic builds like a rotating London Eye, adding motion to structural projects. This makes it especially engaging for ages 9–12+ who are ready for real engineering challenges.

What you can build

The set supports 11 official models, but the real value is in open-ended design. Students can follow instructions for the London Eye, Eiffel Tower, or chain reaction machine, then modify or combine ideas.

The Eiffel Tower model reaches 1.5 meters tall—an impressive display piece. The chain reaction machine teaches cause and effect while encouraging iterative testing.

How to get started with the Engino Open Projects STEM Set

1. Sort and inventory the parts: Lay out all 1,201 pieces and check them against the included parts list. Group similar pieces (beams, connectors, gears, motor parts) in separate containers or trays. This prevents mid-build frustration and helps students quickly find what they need. A common mistake is skipping this step—students waste time hunting for pieces during assembly.
2. Choose your first model and review the instructions: Decide whether to start with the London Eye, Eiffel Tower, or chain reaction machine. Read through the entire instruction booklet for that model before placing any pieces. Pay attention to the motor assembly steps if your model uses it. Jumping into assembly without reviewing can lead to missed steps or incorrect motor wiring.
3. Build the base and structural framework first: Construct the foundation and main support beams as shown in the instructions. For the Eiffel Tower, ensure the base is level and symmetrical. For the London Eye, check that the axle mounts are aligned. Use the connecting points to reinforce joints. A weak base causes instability later—test the frame's rigidity before adding details.
4. Add the motor and moving parts: Install the motor according to the diagram, making sure gears mesh smoothly. For the London Eye, test the rotation by hand before powering the motor. For the chain reaction machine, position triggers and ramps so that each action reliably triggers the next. If the motor stalls, check gear alignment and battery connections. A common fix is adjusting the gear spacing.
5. Test, modify, and iterate: Run the model and observe any wobbles, jams, or misalignments. Encourage students to document what works and what doesn't, then redesign weak points. The set's open-ended nature means they can swap parts or add new elements without starting over. The goal is not perfection on the first try—iterative testing is where real learning happens.

Product facts

Engino Open Projects STEM Set– Build the London Eye, Eiffel Tower & Chain Reaction, For Kids Ages 9–12+ (11 Models to Build): The set includes 1,201 durable ENGINO® parts and 5,265 connecting points. This large part count supports complex, large-scale builds that can be disassembled and reused for different projects, making it cost-effective for classrooms.
Engino Open Projects STEM Set– Build the London Eye, Eiffel Tower & Chain Reaction, For Kids Ages 9–12+ (11 Models to Build)
Engino Open Projects STEM Set– Build the London Eye, Eiffel Tower & Chain Reaction, For Kids Ages 9–12+ (11 Models to Build): Students can construct a motorized London Eye, a 1.5-meter Eiffel Tower, or an interactive chain reaction machine. These models offer visible, rewarding results that motivate students to persist through the engineering design process.