It's Not Just for the Grandkids. Who Are We Kidding — Get Yourself One.

Ask anyone who grew up with model planes and you'll hear the same story. The smell of glue, balsa splinters on the kitchen table, a whole week of evenings to build one aircraft — and then one Saturday morning it went into the ground nose-first. Nobody rebuilt it. Life moved on to cars, work, a family.

Most of us never actually lost interest. What happened was arithmetic: every crash cost a week of work and a slice of the pay packet, and somewhere around the third one the sums stopped adding up.

Paperjet changes the sums. The airframe is a sheet of printer paper that takes a minute to fold. The motor, the gyro and the remote are the parts you keep. Put it into a hedge, screw it up, fold another and you're flying again. It's the hobby you remember, minus the bit that ended it.

Anyone who has ever built a plane asks the same thing first: where's the rudder? There isn't one, and here's why it doesn't need one.

The module clips under the nose. A crossbar carries a propeller at each end, both pulling forward like a light twin. To turn, it runs one propeller faster than the other — differential thrust, the same trick a twin pilot uses by easing back one throttle. Stick to the right, the left prop speeds up, the plane banks right. No rudder, no servo, nothing to hinge or glue.

An onboard gyro reads the wings and keeps them level between your inputs, so it tracks straight instead of spiralling the way a thrown paper dart does. More throttle and it climbs; ease off and it glides down like the paper plane it still is. The battery recharges from any USB port while you fold the next airframe, the remote talks to the plane over a proper radio link rather than a phone's Bluetooth, and the landing gear clips on underneath for rolling take-offs — or comes off for a hand launch.

The best-known paper plane kits are flown from a phone: you tilt the handset to steer, slide a thumb for throttle, and pair it over Bluetooth before any of that works. If you've ever passed a phone to a grandchild with the words "just set it up for me", you know how that afternoon ends.

Paperjet comes with a proper two-stick controller in the box. Throttle on the left, steering on the right — the layout of every transmitter you ever held, scaled down to fit one hand.

No app, no account, no pairing, no update arriving at the worst possible moment. Switch on and fly. If the grandson wants a go, hand it over. If he says you're doing it wrong, take it back. Nobody needs to teach you an app.

Something changes once crashing is free: you stop being careful. You try the loop. You come in lower over the hedge than you should. You bend the wingtips up because somebody at the park says it helps — and you find out for yourself.

When the airframe costs nothing, you finally get to fly the way you were too cautious to at fourteen.

Most weekend flyers end up with a line of planes along the garden wall, numbers pencilled on the wings: wide wings for a slow floater, a long nose for a dart, one folded from red paper so the neighbours know whose it is. A ream of paper is five hundred airframes — you'll lose the light long before you run out of planes. And once it becomes a weekend habit, you'll learn what the regulars know: heavier paper glides further and survives more knocks. You'll see why on the product page.

The box says Ages 8+. Nowhere does it say 8 only. And if you're honest with yourself, you already know who the first one is really for.

In the box: the twin-propeller power module, the two-stick remote, a rechargeable battery, a USB charging cable, detachable landing gear with wheels, a small screwdriver and the manual. Everything you need to fly is in there — the only thing you add is printer paper.

Get two: one for you, one for the grandson. Two kits are €59,90 with free shipping, still less than a single app-controlled plane. His can be wrapped and put away weeks before Christmas. Yours can be at the field this weekend.