Stop the storm.
Build a waterproof shelter to keep Tuffet’s snack—one very important cracker—totally dry.
Hasp’s tip: “Overlap your layers like shingles. Structural concern: the cracker.”

Three screen-free building missions. Zero special supplies. One very worried robot and his completely fearless friend.
Send me the free pack →Read the challenge, shout “INCOMING!”, and build your way out using everyday things around the house.
Build a waterproof shelter to keep Tuffet’s snack—one very important cracker—totally dry.
Hasp’s tip: “Overlap your layers like shingles. Structural concern: the cracker.”
A tennis-ball boulder is rolling toward Tuffet’s nap spot. Build a wall that steers it safely past.
Hasp’s tip: “Do not stop the boulder. Redirect it. Angles are everything.”
Night is falling in the Underbrush. Build a fort big enough for the whole family using only three blankets and six cushions.
Hasp’s tip: “Anchor before you drape. A fort that falls at midnight is not a fort.”
In a backyard where sprinklers become weather and tennis balls become boulders, two tiny friends transform everyday stuff into very serious solutions.
A scrappy robot builder. Completely unbreakable. Extremely concerned about everyone else.
Soft, fearless, curious—and always the first to discover the fun inside the mess.
Enter a parent or guardian email and we’ll send the printable starter pack straight to your inbox.
Your starter pack is on its way. Check your inbox in a few minutes.