A fine collection of puzzles designed to develop hand and eye co-ordination and the recognition of simple shapes while putting these knobbed pieces back in the cavities. Each knob has a grip that is made for the 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. Unique: Each 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 the loss of pieces when not in use. Durable: Made from MDF by a special process. The pieces can be wiped or cleaned with a piece of moist cloth. Naughty fingers cannot peel or scratch the pieces. Attractive: Bright and colourful pieces those are attractive to children.