Challenging magnetic jigsaw puzzle book for kids' development & play by Quokka. Each child puzzle has a full-color picture that consists of 36 pieces. With these puzzle toys for kids, you get: Magnetic jigsaw puzzles "Princess World" Magnetic jigsaw puzzles "Unicorns" Magnetic jigsaw puzzles "Mermaids" All puzzle pieces have a unique cut line. No repetitions or simple forms. Only exciting challenging kid puzzle games for kids 3 years & up. Jigsaw puzzle games for boys & girls give kids a sense of achievement. Encourages hand-eye coordination, fine motor skills, and cognitive development.