New open box. Box has some outer damage (see photos). 

Model # SL14786

• Hours Of Stem Electronics Fun: Build Amazing Gadgets And Games With Lights, Sounds, And Sensors Using The Modular System And Microprocessor; Customize Your Electronic Builds In 3-D With Snap-Together Boards
• 49 Pieces, Amazing Value: Microprocessor, Speaker, Battery Pack, Light Sensor, Tricolor Led Array, Tilt Switch, Variable Resistor, 2 Push Buttons, 6 Modular Boards, 31 Jumper Wires In 4 Lengths, And 48-Page Manual; Requires 3 X 1.5V Aaa (Lr03) Batteries, Not Included
• 48-Page Illustrated Manual Packed With Science: Using The Scientific Method To Make Your Way Through The 50 Step-By-Step Projects, Learn About Electricity, Electric Currents, Electric Circuits, Conductance, Microprocessors, Rom, Ram, Sound Frequency, Rgb Color, And More
• 50 Fun Circuit Builds—Unlimited Projects: First 10 Builds Teach The Basics Of Electronics, Then Advance In Complexity; Create A Doorbell And A Motion-Sensing Alarm For You Room, Make Electronic Dice And A Pong Game, Use A Pencil To Draw Music You Can Hear, Create A Magic Message Wand, And More
• Skill Level: All