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🏗️ Build Zappy's Tower
Measure, stack, and build the perfect tower.
Ages 8–13Grades K-2Grades 3-5Grades 6-8
Kitten clients tell Zappy what they need. You build it, measure it, and check the blueprint.
Difficulty
Grades 4–5 · ages 9–11
How to play
Kitten clients ask Zappy for rooms, gardens and cafés with real geometry rules. Lay floor tiles for area, fence a rooftop garden for perimeter, stack unit cubes into layers for volume, fill a glass room exactly, find a missing dimension, build two shapes with the same volume, decorate with lines of symmetry, and repair broken blueprints. Free Build lets you invent your own tower. Grades 3-4 on Easy up to Grades 5-7 on Hard.