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Montana Tech Regional Science & Engineering Fair
Download Virtual Fair Project & Material Guidelines here.

Display & Safety Regulations
Division II – Grades 5-8
These regulations are for Division II only. Our Display and Safety Regulations are in compliance with the International Fair.


Living Organisms except dried plant material
Taxidermy specimens or parts
Preserved vertebrate or invertebrate animals (including embryos)
Human/Animal parts or body fluid
Poisons, drugs, controlled or hazardous substances, or devices
Dry ice or sublimating solids (solids which vaporize to a gas without passing through a liquid phase)
Sharp items (syringes, needles, pipettes)
Flames or highly flammable display materials
Empty tanks that previously contained combustible liquids or gases
Batteries with open top cells
Awards, medals, business cards
Photographs depicting vertebrate animals in other-than-normal conditions (surgical techniques, dissection, necropsies)

CAN DISPLAY – In totally enclosed containers:

Soil samples
Dried plant material
Human/Animal food
Teeth, hair, nails, dried animal bones, histological dry mount sections, and wet mount tissue solids
Water and non-corrosive, non-toxic, and non-odorous aqueous solutions, and edible oils

*A totally enclosed container is one that is constructed of glass or plastic and has a secure lid or top, or plastic films that can be sealed.

DISPLAY ONLY – cannot be operated:

Small mechanical devices provided they present absolutely no hazard to viewers
Class III and IV Lasers
Devices requiring voltage over 125 volts

Division I – Grades 9-12

Please see the ISEF 2021 Complete Rule Book. Displays must not exceed 30″ (depth) x 48″ (width) x 108″ (height).