Mantis $39.99 Default Title - $39.99 Quantity Add to Cart This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Mantis [ #294 ] is known for stalking using slow, stealthy movements. This modern STEM toy comes with all parts pictured. Build instructions are available online to reduce toy price and paper waste. Please email if you have questions.