Drag the markers to new positions to complete the puzzles. (8-15yrs)

How many cubes are in the layers of the 3D solids? How many cubes are hidden from view? (9-15yrs)

Fold the paper, cut out squares - unfold the paper and work out the pattern of squares. (8-15yrs)

Can you cover the shapes with tetrominoes? It's not easy. (9-15yrs)

Given a 3D solid, can you draw the view from three different directions? (10-15yrs)

Use pentomino pieces to fill shapes under certain conditions (10-adult)