Electronic puzzles for have fun and develop manipulation, observations and logical association skills 35 maxi puzzle pieces Electronic answer pen. Electronic puzzles for have fun and develop manipulation, observations and logical association skills. 35 maxi puzzle pieces. Electronic answer pen. Includes 1 puzzle. Puzzle has 35 pieces. For ages 3 years and over. Batteries required 2 x button cell . 2 year manufacturer's guarantee. EAN 8005125618705. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.