A sensory stimulation system for stimulating a cognitively and/or physically impaired person comprises a rigid, box-like framework adapted to be mounted on a support surface and a rigid, plate-like cover in mating relationship with and removably attached to the framework. The cover is interchangeable according to the skill level of the impaired person. A plurality of spaced sensors are held fast against the cover for providing sensory stimulation for the impaired person.

A game has a first plurality of different interlockable play pieces and a second plurality of cards depicting plans for assembling some of the interlockable pieces into a rectangular pattern. The play pieces are placed in a flexible bag having a plurality of access ports, and each player extends a hand through a port into the bag. Players select play pieces from the bag using their sense of touch and assemble the pieces in accordance with the plan shown on their respective cards.

A shape fitting toy comprising: a plurality of blocks having different types of shapes from each other, and a block selection part having a plurality of block passing holes each of which has a shape corresponding to one of the blocks having a plurality of different shapes and can pass only a corresponding one of the blocks. Each of the different types of shapes of the blocks is selected from a group consisting of a sphere and various types of regular polyhedrons.

A game for testing the senses comprising a game board having a start area, a finish area, and a playing area positioned between the start and finish. The playing area is divided into a plurality of sequential spaces. Indicia are provided on some of the spaces for providing instructions relating to selection of questions and for manuevering game piece icons through the playing area. Six sets of questions for testing the acuity of the senses are provided. One set of questions is provided for each of the six senses of sight, hearing, taste, smell, touch, and extrasensory perception. Each of the questions has a point value corresponding to the level of difficulty of the question. A random generator is provided for randomly selecting one of the questions on a turn-by-turn basis to thereby utilize the questions to play the game. The random generator for random selection is preferably weighted such that the random generator is most likely to select a question for touch, less likely to select a question for sight than for taste, hearing, or smell, and least likely to select a question for extrasensory perception.

A simple puzzle toy designed for the amusement of primates and enrichment of their environment. The device of the preferred embodiment is a sphere having a plurality of holes. Pellets of food or other substances attractive to the primate are placed inside the device. The dimensions the holes are such that the pellets will pass through the holes in certain orientations and will not pass through the holes in other orientations, or such that it will have corners or edges of food and treats too large to be retrieved whole to be chewed until the food is small enough to be aligned with the opening and be removed in its entirety. Arrangement of the pellets, or reduction in size of the pellets by chewing, provides the device's amusement and environmental enrichment value.