This study aims to increase the concentration of children through the experimental method of making volcanic lava in HARAPAN BUNDA PAUD, Karang Tinggi Village, Karang Tinggi District, Central Bengkulu. This type of research is classroom action research (PTK). The subjects in this study were all children aged 5-6 years old, consisting of 24 children. Data collection techniques are done using observation, documentation. The results of the research after the implementation of playing activities to make Mount Merapi lava using experimental methods to increase children's concentration with the theme of the universe of the mountain sub-theme, the sub-themes of Mount Merapi in pre-cycle only reached 35.75% and in the first cycle, the first meeting reached 55.75%. the second meeting reached 64.25%. In the second cycle, the first meeting reached 83.75% and in the second syllable, the second meeting reached 86.75%, each indicator of creativity increased to 83.3%, which increased to 20 children from 24 children. This change is because in the first cycle the child does not get a direct approach, and the child is less interested in the game being carried out, while in the second cycle the child gets a direct approach and the child is interested in the game.

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Background: Fasciolosis is a parasitic disease affecting the hepatobiliary system of livestock worldwide. The control of the fluke is important to be performed in endemic regions. Aim: This study aims to evaluate the effect of Etlingera elatior ethanolic extract on egg and adult stadia of Fasciola gigantica. Methods: F. gigantica in different stages were incubated with Etlingera elatior ethanolic extract in different concentrations and time points. Results: The number of developed eggs with different concentrations of 1.25%, 2.5%, and 5% was significantly decreased by 36.67, 56.67%, and 56.67% on day 11 post-incubation, which showed an ovicidal effect of the herb. The developed eggs on day 14, which was represented by hatched larvae, were also decreased by 70%, 50%, and 13.33%, respectively. Significant flukicidal effects were observed in the incubation time of 80 minutes for the concentration of 20% (P= 0.007) and 640 minutes for 10% concentration (P= 0.003). Surface microscopy of adult F. gigantica showed damaged skin and spina with the erosion of the inner membrane and detached syncytium from the tegument. Conclusion: Overall, the results indicate that E. elatior has a promising anthelmintic property against F. gigantica in both ova and adult stages.