Perimeter Playground
Fun perimeter games and maths lessons for kids — calculate the perimeter of rectangles, triangles, and composite shapes through play. Built for classrooms and home learning.
Open Perimeter Playground →Blogs
Every project and subsite on michaelleung.info, written up as one entry each — games, maths lessons, price tracking, event photography, and deal hunting. All free to use, no sign-up.
Free Online Games for Kids
Four free browser games: 3D Chess (play vs AI), 3D Chinese Chess / Xiangqi, Othello with three difficulty levels, and Fraction Pizza Party for practising fractions. Works on computer, tablet, and phone.
Play the games →Weekly Price Comparison
The complete archive of weekly AI-powered Coles vs Woolworths price comparisons across Australia, updated every week in English and 繁體中文, with a full 2025 archive for trend watching.
Compare this week's prices →Gold Coast Show 2026
A photo gallery of the Gold Coast Show 2026 (29 August 2026) — 87 photos of the free-entry family event, with all visitor faces automatically privacy-blurred.
View the gallery →Good Deals
An AI-powered top-10 tech deal tracker across JB Hi-Fi, The Good Guys, and Harvey Norman — discount percentages and sale end dates, refreshed regularly.
See today's deals →Looking for articles instead? Read the latest news — AI-assisted coding, developer tools, and productivity →