1, simple animals, fruits, vegetables, articles or basic geometric figures of the whole jigsaw puzzle, combined jigsaw puzzle.

2. Simple maze mode and maze model.

3. Items with less than 5 digits.

4. Punching materials, mosaic materials, mosaic materials, flat puzzles, maze toys, set toys, chess toys, dice, roulette, classified chess boxes, classified reasoning toy pairs, solitaire toys, etc.