- PERFECT FIT: We've specifically designed the case to fit your Sphero Mini Activity Kit App Enabled Programmable Robot Ball. OUTER DIMENSIONS: 9" L – 6.1" W – 3.2" H. - 100% SAFE: Hard quality EVA material is Semi-waterproof, Shockproof and Durable to protect your Robot Ball from impacts and splashes. - TRAVEL PARTNER: This hard case for Robot Ball is lightweight and compact to fit in your backpack, carry-on or luggage for improved traveling protection. - CONVENIENT DESIGN:Steady detachable hand strap for portability, Inner Mesh pocket design perfectly for accessories，Smooth but strong 360 degree zipper for easy Opening and Closing. - FOR SALE: One case ( The Sphero Mini Activity Kit is not included ).