"I bought this for my 8 year old son. The puzzles are easy, but challenging for him. I like how it gradually gets more difficult. Very please with this and can't wait to get more." scphelps01 said.
"Great activities for my third graders as an extra challenge for fun. Even I had to think hard about a few of them!" El Pajaro Libre said.
"This was a fantastic book for my daughter to use through the summer to keep her brain active in a fun, challenging way." Sonia B. said.
"My daughter got one of these last year for Xmas (she was 8) and we had to limit how many pages she could do a day. She loved it so much we just keep getting them. Great entertainment and educational, really makes the kids think." Amber Knudson said.