Machines to play with and build

Play with each one in 3D, see what every part does, then build it. Every machine is tested with Java Edition 26.3 rules.

0–9 wall counter Counts button presses 0 to 9 on a big lamp digit. 2,550 blocks · 0–9 Play in 3D → 00–59 lamp clock Counts seconds 00 to 59 on two big lamp digits once its lever is on. 5,084 blocks · 00–59, one a second Play in 3D → Flying machine Place a block on top and it flies off by itself, about 2 blocks a second. 6 blocks · 2.1 blocks/s Play in 3D → Egg cannon Fires 5 eggs a second while the lever is on. 5 blocks · 5 eggs/s Play in 3D → Combination lock Lights the lamp only when the four levers match the code. 34 blocks · 4-lever code Play in 3D → 2×2 piston door Opens a 2×2 doorway flush with the wall, with one lever. The wiring hides under the floor. 87 blocks · opens in 0.2 s Play in 3D →

Can’t find yours? Ask your AI to design one.