Smart Games Bunny Boo Does the rabbit look through the round hole or through the star? If the rabbit is on the yellow, red or blue block, Bunny Boo allows young children to explore the fascinating world of 2D and 3D space. Solve the 60 challenges or just play with the blocks and learn concepts such as top / bottom, inside / outside, visible / hidden. 60 challenges, from easy to super hard. Age: 2 to 5 years old