Press a button. A light glows above it. A gentle puff of aromatic air drifts out from the fan below. That is the entirety of the TFH Aroma Fan & Light Reward System's interaction - and it is, by design, exactly enough. This sensory aromatherapy device combines olfactory stimulation, visual feedback, and a clear cause-and-effect reward loop into a single piece of equipment that works for sensory rooms, occupational therapy clinics, classrooms, and home use across Canada & the US.

The four coloured buttons each correspond to their own fan-driven diffuser compartment, each loaded with a different essential oil of your choosing. The result is not just an aromatherapy diffuser in the conventional sense - it is an interactive, multi-sensory experience that gives users agency, predictable feedback, and a tangible reward for initiating an action.

Key Features of the TFH Aroma Fan & Light Reward System

• Four Button-Activated Diffusers - Each of the four coloured buttons activates its own dedicated fan-driven diffuser below, creating an immediate and unmistakable cause-and-effect connection between pressing a button and receiving a light and scent reward
• Light Reward Feedback - Every button activation triggers a corresponding glowing light, delivering simultaneous visual sensory feedback alongside the olfactory input for a genuinely multi-sensory experience
• Knobbed Compartments for Essential Oils - Each diffuser unit has a pull-out knobbed compartment designed for easy loading and swapping of essential oils on cotton balls, allowing therapists and educators to change scents quickly between sessions or users
• Adjustable Timer (5 to 30 Seconds) - The fan duration is fully adjustable from 5 to 30 seconds, giving therapists, teachers, and caregivers precise control over the length of each scent delivery to suit the individual user's needs and attention span
• Switch-Adaptable Design - The device is compatible with external capability switches, making it accessible for users with limited motor function who cannot activate the buttons directly - a critical feature for clinical and residential settings
• Portable Unit with Mounting Option - Can be used as a freestanding portable unit or wall-mounted using the enclosed instructions, giving it flexibility for temporary use in different spaces as well as permanent installation in a dedicated sensory environment
• Dimensions: 12" x 8" x 24" - A compact footprint that fits naturally onto a therapy table, a sensory wall, or a designated station within a larger multi-sensory room setup
• Power: 5 Amp Output - Mains powered, providing consistent and reliable operation for extended therapy and educational sessions without battery management

Note: Essential oils are not included. TFH recommends this device be used by personnel with knowledge of aromatherapy and the safe application of essential oils.

Why Olfactory Sensory Stimulation Matters

The sense of smell is the only sense with a direct pathway to the brain's limbic system - the region responsible for emotion, memory, and arousal. This neurological relationship is why a familiar scent can trigger vivid memories or shift a mood almost instantly, and why aromatherapy has been used therapeutically for centuries. In a sensory integration context, olfactory input works alongside visual, tactile, and auditory stimulation to help the brain organise and process the full sensory environment.

For occupational therapists, the Aroma Fan & Light Reward System offers a structured way to introduce olfactory input into a sensory diet, either as a standalone station or as part of a multi-sensory room. The cause-and-effect mechanism adds a layer of cognitive engagement - press, observe, smell, respond - that makes it useful far beyond simple scent diffusion. For educators working on attention, memory, and association-building, the four scents can be tied to specific colours, activities, or routines, creating reliable sensory anchors across the school day.

Ideas for Use with the TFH Aroma Fan & Light Reward System

Guessing Game

Have participants close their eyes and activate one of the buttons. The glowing light tells a helper which scent is active, while the participant works to identify the aroma - a playful and genuinely engaging exercise in olfactory discrimination and memory recall.

Appetite Stimulation

A citrus essential oil loaded into one compartment and activated shortly before mealtimes can stimulate the digestive system and gently encourage appetite - a practical application particularly relevant in residential, hospital, and care settings.

Relaxation & Regulation

Calming essential oils such as lavender, activated during wind-down periods or moments of heightened anxiety, can support regulation and transition for users who benefit from consistent sensory routines. The predictable light-and-scent reward makes the calming sequence visual as well as olfactory.

Sensory Room Circuit Station

Position the Aroma Fan & Light Reward System as one station within a broader multi-sensory room or sensory circuit, allowing users to move through tactile, visual, vestibular, and olfactory experiences in a structured, self-directed sequence.

Skills Developed Through Engagement with the TFH Aroma Fan & Light Reward System

• Cause & Effect Understanding & Cognition - Pressing a button and receiving a predictable light and scent reward reinforces the cognitive connection between action and outcome, supporting early reasoning, attention, and intentional engagement
• Olfactory Discrimination & Memory - Regular engagement with distinct scents tied to colours or activities builds olfactory memory and discrimination skills - the ability to identify, distinguish, and recall different aromas
• Visual Sensory Response - The corresponding light activation for each button delivers a clear visual stimulus alongside the scent, reinforcing attention, tracking, and visual sensory processing within each interaction
• Fine Motor Initiation - Pressing the knobbed buttons and pulling out the compartments to load essential oils develops purposeful fine motor activation and hand function, particularly relevant for users working on motor initiation
• Logical Thinking & Association - Matching scents to colours, predicting outcomes, and building scent-memory associations develops logical thinking and the kind of sensory-cognitive connections that underpin learning and memory consolidation

Ideal For

The TFH Aroma Fan & Light Reward System is a specialist piece of multi-sensory equipment designed for occupational therapists, sensory room designers, and educators who want to incorporate structured olfactory stimulation into therapeutic or educational environments. It is equally at home in a dedicated sensory room, a calm corner within a classroom, a residential care setting, or a home therapy space.

It is particularly well suited to users who benefit from clear cause-and-effect reward structures, those working on olfactory discrimination and sensory memory, individuals whose sensory diets include olfactory input as a regulatory tool, and settings where switch-adapted access is required for full participation.

Suitable for a wide range of ages and abilities - from young children developing sensory and cognitive foundations to adults in residential and clinical care environments who benefit from multi-sensory stimulation and engagement.

A percentage of proceeds from this product is donated directly to Autism Canada.

Note: All TFH products are compatible with TFH-labelled accessories and items only.

• Dimensions: 12" x 8" x 24"
• Power: 5 Amp output (mains powered)
• Timer: Adjustable, 5 to 30 seconds
• Buttons: 4 button-activated fan diffusers