Water Networks & Money Lab
Two independent learning experiments to explore together with an adult. These activities do not count towards school-year progress.
Water Networks
Open and close pipes to deliver exactly four units of water to one field and six to another. Compare routes, pipe capacities and the number of moves you use.
Read the network reasoning guide →Money Lab
Allocate a fictional 10,000 yen over ten months between a lemonade business, assets and cash. Compare nominal wealth, purchasing power and an all-cash baseline.
This is a teaching model. Its fixed growth and inflation assumptions are illustrative; real investments can lose value.
Practise quantities and prices →Enable JavaScript to play. Choose English, 日本語 or 中文 in the activity.