Free apps that run in your browser, with no sign-up or install
The cabinet is open
A cabinet of small, useful exhibits. Each one lives on its own page, loads quickly and does one job well.
The newest acquisition
Tumblewood
Picus tumulus
- Kingdom
- Toys
- Order
- Toys
- Habitat
- Browser
- Diet
- Marbles
- Status
- New acquisition
Stack 2-inch ash and walnut blocks into towers, bridge them with grooved chutes, drop up to four marbles in the top holes and race them to the tray, in real seconds.
On the shelves
Tumblewood
A wooden marble race: stack blocks, bridge them with chutes, see whose marble wins.
Out on the Ice
An ice-fishing game on a frozen Minnesota lake, from dawn to ten at night.
Gearworks
A 3D bench for building gear trains that snap into mesh and run.
Solar System Orrery
A 3D orrery of the planets that runs from 1800 to 2050.
Time Zone Meeting Planner
Finds the hours that overlap across cities and shares the plan.
Video to GIF converter
Turns a video into an animated GIF, or edits any GIF, in your browser.
QR Code Generator
Makes a QR code for an address or any text, as PNG or SVG.
Snowflake Generator
Grows an ice crystal in the weather you choose, or a snowflake from your own drawing.
Minnesota Winter
A guide to the season, with live weather and a wind chill calculator.
Field notes
See the next exhibit before it goes on display.
One email when a new exhibit joins the cabinet, and nothing else.
I use your address only to email you when a new exhibit joins the cabinet. I never sell or share it, and you can unsubscribe any time. Privacy details