Simple Machines Science Experiment & Model Building Kit - 26 Models

Build All Six Simple Machines. Measure the Forces. Understand the Physics. — Thames Kosmos Simple Machines Kit

The Thames Kosmos Simple Machines Science Experiment and Model Building Kit is a hands-on introduction to mechanical physics through 26 model-building exercises covering all six classic simple machines — wheels and axles, levers, pulleys, inclined planes, screws, and wedges — plus gears. The kit uses a modular construction system where the same durable pieces combine and recombine to form each machine, so children see exactly how the underlying elements are shared across different mechanical forms. A spring scale is included to measure how each machine changes the direction and magnitude of forces — turning model building into genuine physics experimentation. Ages 8+.

What’s in the Kit

• ✅ Modular construction pieces — durable, reusable; assemble, disassemble, and reassemble across all 26 models
• ✅ Spring scale — measures how each machine changes the direction and magnitude of force; the key tool that elevates this from model building to physics experimentation
• ✅ 32-page full-colour manual — step-by-step building instructions for all 26 models, plus real-world examples of each simple machine in everyday life

The Six Simple Machines — and What Children Build

The 26 models progress from simple to complex, beginning with clear single-machine demonstrations and advancing to models that show how machines work together:

• ⚙️ Wheels and axles — how rotational force transfers through an axle to produce movement; the foundation of nearly every vehicle and many mechanical systems
• ⚖️ Levers — how a fulcrum point changes the direction and mechanical advantage of a force; real-world examples in the manual include seesaws and wheelbarrows
• 🎞️ Pulleys — how redirecting a rope over a wheel changes pulling direction and, with compound arrangements, reduces the force needed to lift a load
• 🔺 Inclined planes — how a ramp reduces the force needed to raise an object by spreading the work over a longer distance; ramps, slopes, and loading bays
• 🔩 Screws — an inclined plane wrapped into a spiral; the helical thread converts rotational force into linear movement or clamping force
• 🔪 Wedges — how two inclined planes joined at their thick ends concentrate force into a narrow edge to split or hold materials; axes, chisels, doorstops
• ⚙️ Gears — how interlocking toothed wheels transmit and change rotational force and speed; the mechanical multiplier behind engines, clocks, and bicycles

Watch It in Action

What Children Learn

• 🔬 Mechanical physics fundamentals — simple machines are the foundational concepts of mechanical physics; understanding how they work is the basis for understanding engines, tools, vehicles, and every mechanical system children will encounter; the spring scale makes the force measurements real and quantifiable, not just conceptual
• 🛠️ Engineering thinking — the modular system lets children see how the same basic components combine differently to produce each machine; this is the core insight of engineering: different configurations of the same elements produce fundamentally different outcomes
• 🔄 Iterative building and testing — because the pieces assemble and disassemble repeatedly, children can build a model, test it with the spring scale, modify it, and test again; this is the engineering design cycle applied to a tangible, immediate system
• 🌍 Real-world connection — the 32-page manual grounds every model in everyday examples; the seesaw at the playground is a lever, the wheelbarrow is a lever, the flagpole uses a pulley, the bolt uses a screw; connecting abstract physics to recognisable objects is what makes concepts stick

Good to Know Before You Buy

• Recommended age: 8+
• Brand: Thames Kosmos
• Models: 26 model-building exercises
• Simple machines covered: Wheels and axles, levers, pulleys, inclined planes, screws, wedges, and gears (7 types)
• Includes: Modular construction pieces, spring scale, 32-page full-colour manual
• Construction system: Modular — pieces assemble, disassemble, and reuse across all models
• Batteries: Not required

Frequently Asked Questions

What age range is this best for?

Recommended from age 8. The models begin with straightforward single-machine builds that are accessible to children aged 8–10 working with some parental guidance, and the complexity of later models and the force measurement activities with the spring scale extend the kit’s value through ages 10–14. The 32-page manual is written for older children and teens but is accessible to younger readers with support.

Is the spring scale actually useful, or is it a token addition?

It’s genuinely useful. The spring scale is what separates this kit from a standard model-building set — it allows children to measure the input force required to move a load with and without each machine, making the mechanical advantage of each simple machine quantifiable rather than just demonstrated. Measuring that a pulley system halves the force required to lift a weight is a fundamentally different experience from being told that it does.

Can the same pieces be used for all 26 models?

Yes — the kit uses a modular construction system where the same durable pieces combine in different configurations to build each of the 26 models. Pieces are not consumed or permanently fixed — each model is assembled, tested, and then disassembled to free the pieces for the next build. Children can also combine pieces freely beyond the guided models to create their own machine configurations.

Is it a good gift?

Yes — it’s a strong gift for curious, hands-on children aged 8 and up, particularly those with an interest in how things work, building, or science. The kit has genuine educational depth (the spring scale and 26 progressive models make it more than a toy), and the modular system means it gets used across multiple sessions rather than being built once and shelved. A standout birthday or Christmas gift for a child who asks “but how does it work?”