Math Clock Travel This is a great gift

This is a great gift for Batman fans

Super strong and easy to use

Projector Lamp Life: 0 Cu

Powered via USB (cable included) or 4*AA batteries (not included)

all without soil

Math Clock Travel This is a great giftWhat time is it? It's math time! This fun Math Clock will force you to exercise your brain to work out the time by solving a math equation. Love it or hate it, this math clock will no doubt challenge your brain every time you look at it. Go ahead and crunch some numbers and solve the math riddle. Each hour on this clock is marked by a simple math problem. This is guaranteed to be the geekiest clock ever to strengthen your math mind muscles.