Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Weight and Capacity
Stack 1kg, 100g, 1L, and 100mL blocks to see that 1kg=1000g and 1L=1000mL, then convert mixed units.
by Anonymous
Balance Scales and Equality
Balance weights on a pan balance to see what the equal sign really means and find the missing number in the box (□).
by Anonymous