I did a mix of both sizes of eggs linked. I used 2 sticks in each egg and matched them with the color of the egg. I would think that 1 of everything I have linked would work for 2-3 children. If you will have more than that, I would order based off.
Innobaby Spike Bubble Blower with Mess Free Botanical Bubbles and Dipping Tray – Magic Wand Blows Oodles of Bubbles Without The Mess – Recommended for Speech, Visual & Motor Development
Blue 62 Card Racer | Load, Launch, Race – Pocket-Sized Racecar Toy Ages 5 and up (Sold Each)
PicassoTiles 150 Piece Race Car Track Building Block Educational Toy Set Magnet Tile Magnetic Blocks Playset 4 Cars Early STEM Learning Construction Kit Hand-Eye Fine Motor Skill Brain Training PTR150