13:["$","div",null,{"lang":"en","dir":"$undefined","children":[[["$","div","dd3668d2-b73f-4301-af4a-fcf955c17e7d",{"id":"f50a3b222356aed1f1ac74aec26bf530","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"f50a3b222356aed1f1ac74aec26bf530","lang":"$undefined","children":[null,null,null]}],["$","div","8a4fbb71-7205-45f4-832a-caf429d539c2",{"id":"88b6828783a160e4daa719e19710ad97","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"88b6828783a160e4daa719e19710ad97","lang":"$undefined","children":[null,null,["$","div",null,{"className":"block-body","dangerouslySetInnerHTML":{"__html":"

1. Torch light (flash light)

"}}]]}],["$","span","d7828513-f3ad-4ca2-87d7-596d36d38216",{"id":"363e1f79842964c21c9c1a9b40dbeab2","className":"xml-anchor","aria-hidden":"true","dangerouslySetInnerHTML":{"__html":""}}],["$","div","8180b7e2-4f96-4994-8eb7-a596e53598e4",{"id":"35486de742f106cff15f874e6cc2fbac","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"35486de742f106cff15f874e6cc2fbac","lang":"$undefined","children":[null,null,["$","div",null,{"className":"block-body","dangerouslySetInnerHTML":{"__html":"

2. Colored glass paper.

"}}]]}],["$","div","6c641003-fc14-434e-9614-3ba45efc57e1",{"id":"2728e6e2fa9b562697dc9e2044031685","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"2728e6e2fa9b562697dc9e2044031685","lang":"$undefined","children":[null,null,["$","div",null,{"className":"block-body","dangerouslySetInnerHTML":{"__html":"

PREPARATION:

"}}]]}],["$","div","e751eeea-7c79-49f4-863e-f719ec71e2cc",{"id":"7aa15880bfb777ca1acc4a164e41e1ef","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"7aa15880bfb777ca1acc4a164e41e1ef","lang":"$undefined","children":[null,null,["$","div",null,{"className":"block-body","dangerouslySetInnerHTML":{"__html":"

Have enough pieces of glass paper and torch lights for everyone, or all can share the activity.

"}}]]}],["$","span","7972d557-7788-4b80-8aa9-2a983191a1e6",{"id":"8db319e668b495cdb739d71d153ec44e","className":"xml-anchor","aria-hidden":"true","dangerouslySetInnerHTML":{"__html":""}}],["$","span","a2588e29-f86b-4fc9-ba6e-d39fcd6a849e",{"id":"75fc7af24d1f1098e615c02febe65c8f","className":"xml-anchor","aria-hidden":"true","dangerouslySetInnerHTML":{"__html":""}}]],null]}]