Life & fun · alternatives · 2026

24 alternatives to Pennypult II: Mini Trebuchet

Turn your spare change into miniature siege engine!

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Pennypult II: Mini Trebuchet launched in 2020; newer entries below may have overtaken it.

1. 1
   Trebuchet Kit | Eugène Viollet-le-Duc▲5

   Perfect for office warfare!

   2021 · its alternatives →

2. 2T8
   Tinytetris – 80 x 23 Terminal Tetris▲147

   2019 · github.com · its alternatives →

3. 3HR
   Homemade rocketship treehouse – hardware to custom OS▲410

   (This was previously submitted as https://news.ycombinator.com/item?id=2246856) The Ravenna Ultra-Low-Altitude Vehicle is a backyard rocketship treehouse nestled in the Seattle neighborhood of Ravenna. Click the link to see a demo video (http://rocket.jonh.net). The hexagonal treehouse is about 6.5 feet (2 meters) across at its widest point. The frame is welded mild steel with riveted aluminum siding. It contains nearly 800 LEDs forming dozens of numeric displays spread across 14 control panels, each with an acrylic face laser-cut and etched with labels such as…

   2023 · rocket.jonh.net · its alternatives →

4. 4
   25inch Me▲182

   Make your own inflatable mini-me 👯

   2017 · its alternatives →

5. 5SM
   Shoggoth Mini – A soft tentacle robot powered by GPT-4o and RL▲610

   2025 · matthieulc.com · its alternatives →

6. 6
   Claw II▲189

   World's smallest keyring multitool

   2018 · its alternatives →

7. 7
   KT2 Kungfu Turtle Robot▲129

   The broke man's Boston dynamics

   2024 · kickstarter.com · its alternatives →

8. 8TB
   Tetris, but silly▲389

   Hello HN! You can read this [1] blog post if you want to know more about some ideas that I have for this thing. This is just an experiment right now, there isn't any real game (yet). Any feedback would be appreciated, do you think this could become something that would be fun to play? [1] https://unit520.net/posts/dead-trees-an-absurdist-block-layi...

   2022 · unit520.net · its alternatives →

9. 9
   SPECTRA Mini▲69

   Mini eSkateboard - 9 mph, 6 mi range, 8.5 lbs

   2018 · its alternatives →

10. 10
    Brick Mania▲71

    Fun brick-breaker game with 300 levels

    2019 · its alternatives →

11. 11WA
    WallSmash – An Infinite Brick Breaker Game▲114

    2022 · wallsmash.com · its alternatives →

12. 12
    HomePod mini▲157

    A smart speaker with Siri built in

    2020 · its alternatives →

13. 13
    Tiny Mario▲205

    Play the ridiculously tiny Mario ever right in your URL bar.

    Nov 2025 · diego.horse · its alternatives →

14. 14
    Dino Swords▲211

    Adds 26 different weapons to your browser's Chrome Dino game

    2020 · its alternatives →

15. 15
    CHUWI LarkBox▲82

    World's smallest 4K mini PC

    2020 · its alternatives →

16. 16
    Bittle▲140

    A palm-sized robot dog for STEM and fun 🐕

    2020 · its alternatives →

17. 17
    Catloons▲78

    Float to mew heights 🎈😺

    2018 · its alternatives →

18. 18
    SteemWhale.io▲82

    Life-sized (60 feet) sperm whale on the Steem blockchain 🐳

    2018 · its alternatives →

19. 19
    Ghost Ballster▲70

    3D bricks breaker, break everything and save ghosts

    2021 · its alternatives →

20. 20
    Rainbonauts▲122

    Like Tetris but with rainbows, unicorns, cats and more! 🦄

    2017 · its alternatives →

21. 21
    War Tortoise 2▲71

    Idle exploration shooter

    2020 · its alternatives →

22. 22
    OpenClaw Mac mini M4 Enclosure▲27

    Every powerful little crustacean needs a proper shell!

    Feb 2026 · superfantastictoys.com · its alternatives →

23. 23
    Dart▲93

    The world's smallest laptop charger (pre-order)

    2015 · its alternatives →

24. 24
    Gladius MINI▲68

    Compact underwater 4K drone

    2019 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →