material: plastic
How to play:
1. The black round box is divided into upper and lower covers, first open the upper cover first.
2. Place the frog in the middle of the bottom cover and then cover the top cover.
3. You can try to see the illusion of the frog from various angles. Try to see what angle is the clearest!
M***z –
Very good seller was very pending shipment. The uncrushed box but the product in excellent condition.

J***n –
pretty cool .
M***a –
Excellent cost benefit very cool this product worth buying
I***i –
Absolutely Top piece
A***o –
Correct my students will like quite satisfied with the purchase
M***r –
Okay, does what it's supposed to do.