
Join the dots, send the truck across, and see what happens
Engineering for a preschooler is building something, testing whether it works, and making it better. That loop matters more than getting it right first time, so these games always let a child see why something didn’t hold and try again.
In the bridge builder, children join dots with planks and beams across a river, then watch a toy truck try their bridge. The dig site is a long open world to drive a digger across: dig anywhere, fill the dump truck, find a cave, dig up dinosaur bones and fill a ditch so a bus can get home. The block builder copies little builds, first from a model, then from a photo taken from another side or a map with numbers.

Join the dots, send the truck across, and see what happens

A digger to drive yourself, a world to explore, and no levels at all.

Copy the build, then build what the puppy’s camera sees from the other side

Deliveries by electric dirt bike, and the science of motion in every hill and jump.
Skills
Away from the screen
Build a bridge between two books with paper, then test it with coins.
Dig and fill in a sandbox with a toy truck, then pour water to see where it goes.
Build a small block tower, take a photo, knock it down, and rebuild it from the photo.
Easy STEM activities for 3 to 6 year olds: build bridges, dig and pour, look through a magnifier, grow plants and race cars down ramps.
Read the guide
FAQ
Making something that has to work, like a bridge a truck can cross, and changing it when it does not. The games reward the second try as much as the first.
Spoken from the first tap, no reading needed, no ads, and progress that stays on your iPad.