5-piece puzzle, large pair of pieces, small pair of pieces, single puzzle piece
10-piece puzzle, 4-piece puzzle
Circles of various sizes, circle in halves
Circle in thirds, circle in quarters, circle in sixths
Large circle, circle with frame
Circle with frame
Ovals of various sizes, pentagon, slide together pentagon module
2D tetrahedron, 3D square-based pyramid, 3D mini tetrahedra
Circle in eighths, 2D cone, 3D cone
2D cube, 3D cube
2D cylinder, 3D cylinder, rhombus
Hexagon, slide together hexagon module, heptagon, octagon, slide together octagon module
Large circles, rectangle
Triangle, slide together triangle module
Small rectangle, 3D rectangular prism, rhombus
Large square, rectangle, trapezoid, slide together square module, various squares with circle holes