The puzzle has a built in tray which provides a stable base while the child is playing and also serves as a container preventing scattering and loss of bright and colorful pieces when not in use. The pieces can be wiped and cleaned with a piece of moist cloth. Naughty fingers cannot peel or scratch the pieces.
Sharpens observation, excercises memory, develops hand eye coordination, stimulates discussion and builds imagination
Each knob has a grip that is made for easy manipulation of the pieces
These knobs also make the puzzles ideal for children with impaired motor skills
The shapes may be used as stencils for tracing and the puzzles can be combined as a self correcting classification exercise