RAFT Idea Sheets are easy-to-use hands-on experience guides linked to core curriculum topics. Use the Idea Sheets Search Tool to rapidly pinpoint activities perfectly suited to the grade level, subject area, and content standard you want to cover. Idea Sheets are based on readily-available, low-cost materials such as cardboard tubes, bottle caps, old CD’s, etc. Over 700 Idea Sheets are available for FREE! Be sure to check out their other collections including STEAM Project Kits, STEAM Learning Activity Sheets, and others which have guides available and for which you can source your own materials.